Sat

12 pm

Lincoln

An Introduction to the Linux Kernel

Rob Landley

A look at the structure and internal operations of Linux. An in-depth examination of the kernel, along with standard services, interprocess communications, and device drivers.

Sat

06 pm

Lincoln

Lightning Sessions

Rob Landley

Close up on XFree86, Gnome, KDE, Gnucash, etc. Dependent on the expertise of our panel members.

Fri

05 pm

Lincoln

Computer security: concepts

Bob Meier, & Un-named security professional to be announced

A theorectical approach to computer security

Sun

01 pm

Theatre

Computer security: how to fireproof your system

Clif Flynt

How can you lock down your system and what tools are available?

Fri

06 pm

Lincoln

Creating a home network and integrating Linux – Taming the 800lb Gorrilla

Troy Wollenslegel, Rich Clark

How to create a household network, and how to make diverse machines play well with each other. (Speak to me of Samba, O wise one…)

Sat

01 pm

Lincoln

Creating Security By Giving Away Your Keys (GPG)

Bob Meier

A look at public/private key encryption as used in Open PGP (Pretty Good Privacy). What is it, how does it work, and where should it be used? How is it implemented in a Linux environment, and what are the advantages and drawbacks?

Fri

07 pm

Lincoln

DAS, SAN, NAS and iSCSI

John Guest

A discussion on curent trends in disk storage.

Sat

08 pm

Lincoln

Defining The Operating System

Rob Landley

What is a computer operating system, what are its major components, and what does it do? What are some of the commonly used systems today, and what are the differences among them? What is the relationship between an operating system and the hardware that it runs on?

Sat

03 pm

Lincoln

Embedded Linux: What's that penguin doing in my toaster?

Eric McGloghan, Neal Probert, David New

From toasters to cellphones to industrial controls, the linux kernel is popping up everywhere. What are the trends and practices for porting opensource to the embedded world?

Sat

12 pm

Burnham

Embedding TCL/TK

Clif Flynt

Using TCL/TK as glue code to build applications.

Fri

06 pm

N. Belle

Jakarta Struts application development

Ilya Sterin

Present and discuss application development using the MVC (Model View Controller) framework. The presentation will include installing and configuring the Apache Tomcat web server and Jakarta Struts framework, and an example of a small application that demonstrates the benefits of Struts. There will be an interactive Q/A session regarding the framework.

Sun

10 am

Burnham

Java on Linux

Ilya Sterin

Learn the basics of the Java programming language, install and configure it on Linux OS, and write small programs with it. We’ll discuss the advantages and disadvantages of Java and why it is so popular in heterogeneous environments.

Sun

10 am

Griffith

Just What's In That Ugly Grey Box?

John Guest, Jeremy Davis, Marcus Watts

A look into the hardware of the modern PC. What are all the bits and pieces, and how do they (usually) manage to work together. CPU, main bus, video systems, memory, disk storage, external communications (serial, parallel, USB 1.0 & 2.0, Firewire, network), input devices, and more.

Sat

04 pm

Lincoln

Linux in the Enterprise

Ilya Sterin

Presentation on how Linux is becoming the most used operating system in server environments. Why is Linux being used in the enterprise and how is it able to compete against the proprietary alternatives? We’ll also discuss the adoption of Open Source software in the enterprise and how it’s benefiting IT infrastructures globally.

Fri

05 pm

W.Belle

Recent developments in Linux 2.5.

Rob Landley

Better threading. Better desktop performance. Minty fresh taste. What have the kernel hackers been up to, and when might the new kernel post bail?

Sun

11 am

Lincoln

Server Consolidation and Virtual Machines

John Guest

Products like Vmware and Polycenter are revolutionizing how servers are deployed.

Sun

10 am

Lincoln

TCL/TK Client Server Monitors for firewalls

Clif Flynt

Monitoring firewalls and improving your security with TCL/TK. Presented by Cliff Flynt

Sat

06 pm

Theatre

TCL/TK Gui implementation

Clif Flynt

Cliff Flynt discusses techniques to create functional and elegant GUIs to wrap around applications

Sat

11 am

Burnham

TCL/TK Intro

Clif Flynt

Join author Cliff Flynt for an introductory presentation on TCL/TK

Sun

12 pm

W. Belle

XML and Perl

Ilya Sterin

Join Ilya Sterin (author of “XML and Perl”) for an introduction to XML and then Perl, followed by a presentation on XML and Perl for application development. XML is an example of an open standard and Perl is an Open Source general interpreted programming language. We’ll talk about the benefits of each and then learn how to use them together. The session will follow with an overview of the XML and Perl Open Source future development and discussion the current functionality that is available.

Sat

09 pm

Annex C

BLOGging for fun and (no) profit

Jorge Castro, Rob Malda,

The Weblog, the ultimate in self-publishing. Get your 15 minutes of fame by sharing your thoughts, your opinions, and every inconsequential event in your life over the net. Learn the secrets of the BLOG masters: Google bombs, writing in Welsh, or inventing a nifty name like "Slashdot" for your BLOG.

Sun

10 am

N. Belle

Copyright and Licensing HOWTO

Steve Gutterman, Cathy Raymond

What do the licenses source code is distributed under actually MEAN? Public domain through copyleft. The GPL, LGPL, Mozilla, BSD/MIT, "Shared Source", and why it's a bad idea to write your own license, even when you really do know what you're doing.

Sun

11 am

Griffith

Got Linux, now what?

Marcel Gagne

Got my Linux. Got my network. Got my firewall. What do I do when it breaks?

Fri

11 pm

N. Belle

How is Microsoft Evil? Vent your spleen and let's move on...

Phillip Williams, Jack Bell

Let me count the ways: The code is buggy. The licensing is draconian. The business practices are Machiavellian. Come. Get the rant out of your system early. So you can enjoy the rest of the convention. (Burning Bill Gates in effigy is optional but not recommended inside the hotel.)

Sat

01 pm

Griffith

How to install Linux.

Local LUG Folks, Jorge Castro,

Are you an OpenSource newbie? Come here first to get oriented and opensourced.

Fri

07 pm

N. Belle

Is Big Brother watching your ISP?

Marcel Gagne, J.D. Frazer

What are the security and legal issues of connecting to the web as a user?

Sat

03 pm

Annex C

Linux on the desktop

Marcel Gagne, Ilya Sterin, Jorge Castro

We've been talking about it for years. How close is it? We've got web browsing, email, word processing, spreadsheets, presentation software, printing, all from a nice GUI desktop, sold for $200 at Wal-mart. What's left?

Sun

12 pm

Lincoln

Mommy, Where Do Penguins Come From?

Rob Landley

In 1991, a teenager in Finland did something in his bedroom for which he will be remembered for the rest of his life. Since then, he's given it to everyone he's come in contact with. Come to this panel and share the love.

Sun

11 am

C. Annex

My bot can beat your bot

Neal Probert,

Sat

02 pm

Lincoln

Open Source Isn't Just A Process, Its A Way Of Life

Ilya Sterin, Rob Landley

What do I need to do to participate in Open Source development. Not just the software tools (like gcc, gdb, vi/emacs, ssh, etc.), but the social tools as well (understanding the memes in the development community and the organizational environments). Where to go to find groups actively engaged in Open Source Development.

Sat

04 pm

C. Annex

PenguiBot

Neal Probert,

Linux friendly robotics

Fri

07 pm

W. Belle

SPAM, SPAM, SPAMMITY, SPAM...

Rich Clark, Clif Flynt, Marcus Watts

Can it be stopped? Probably not, but there are things you can do. How to avoid getting on the SPAMmers lists, and how to get off if you've gotten on. How to avoid receiving the SPAM. Tools for minimizing the amount of SPAM. How to identify the SPAMmers and fight back.

Sun

01 pm

Burnham

Teflon coating Penguicon against the suits

Tracy Worcester

Everyone has heard horror stories about software projects, companies, and events which were fun and vital and effective until someone in Corporateland looked upon them and said, "hmmm, this could make me money." Come to discuss how to be a part of teflon-coating PenguiCon against several of the major hazards, such as suit incursion, vision collision, and terminal schism.

Sun

12 pm

Griffith

The Future of Computing

Marcus Watts

64 bit processors, gobs of memory, and enormous (yet tiny) disks. Pervasive wireless/cellular networking. Laptops replacing desktop computers, and cell phones becoming the computer you carry with you. And someday, maybe even open source Unix on the desktop.

Sun

01 pm

Griffith

Tool builders vs. appliancers.

Jack Bell, Lorraine Donaldson

Or how to seperate the Hackers from the Script Kiddiez

Sat

03 pm

W. Belle

Troubleshooting 101.

Lug person TBA

Learn fixes for common and not so common system problems. Learn what methods work best for fault isolation.

Sat

11 am

Griffith

What is Opensource, and Why Should I Care?

Bob Meier, tentative Ilya Sterin

Come to this panel if you are a true believer, or merely truly baffled. Come get (or give) the lowdown on what Linux is, how it can save you money, and why open source software isn’t just for geeks anymore. Escape Microsoft of Borg. Resistance is not futile. You do not need to be assimilated.

Sat

10 am

Burnham

What's LUG Got To Do With It

Steve Gutterman, Rich Clark, Phillip Williams

Why a Linux User Group can be your best friend. Where else can you turn for dependable information, excellent advice, and extensive experience, and all at no cost? Where do you find one, and how do you get involved?

Sat

10 am

Lincoln

Wireless: Knowing your A, B, G's

Troy Wollenslegel, Mike O'Conner

So what exactly is going on in wireless networking today? What is the difference between 802.11a, 802.11b, and 802.11g, and why do I care? And just what is a Starbuck's Cloud, and does it require an umbrella?

Sat

01 pm

C. Annex

Artificial Intelligence

Marcel Gagne, Jack Bell

Is a thinking, intelligent, self aware, self motivated, self decision making computer just fiction? Come join our discussion as we explore examples from fiction, movies, and recent progresses in computer science today.

Sun

11 am

Theatre

Baen Free Library

Eric Flint

They've GIVING AWAY BOOKS FOR FREE. And the authors (and publisher) are making money from doing it! Want to know where to get these free books? Want to know how this is making authors money? Come listen to Eric Flint, Baen Free Librarian Extraordinaire, and let him explain this triumph of altruism over common sense...

Sat

08 pm

Annex C

Chocolate Ritual

Lady Sarah, Paula Handley, Moira

Come and worship with us the most wonderful substance in the world... Chocolate! (bring your own milk) Chaos organized by Lady Sarah with assistance from Paula Handley, Moira and assorted other minions. Note: if you can't stand the parody, stay out of the ritual.

Sun

02 pm

Theatre

Closing ceremonies

Tracy Worcester

What did we do right? What did we do wrong? Your feed back please! (Check rotten vegetables at the door.)

Sun

03 pm

N. Belle

Dead Dog Party

So long, and thanks for all the fish! Help us kill the last of the food and clean up.

Sat

02 pm

Burnham

From Tuxes to Gownless Evening Straps

Sarah Lewis, Lady Sarah

Introduction to the Masquerade ... or possibly more aptly titled “What is she Not Wearing?!?” Sure to be an interesting event filled affair, even if you only like to watch.

Sat

02 pm

Griffith

Geeks on Motorcycles

Kathy Becker, Eric McGloghan, Wyn Jones, Jorge Castro, Erik Kauppi,

So what's up with geeks, fen, and motorcycles? In a world full of stupid people, why ride a vehicle which offers you little or no protection against others? Is it the mileage? The ease of repair? The control? The risk? Or the chance to own something fondly called a crotch rocket? Come hear stories of the near-mystic experiences and horrible mistakes from those who are in the know.

Fri

01 pm

Off site

Geeks with Guns – Practical Point & Click

Terry Pratchett, Eric Raymond. J.D. Frazer

Or more precisely – what's the difference between an H-P and an H&K. A fieldtrip to a local firing range is being planned. All interested participants must register in advance. Please note an extra fee will be required for the firing range. Details to be posted soon.

Fri

05 pm

N. Belle

Geeks with Guns – Societal & Political

Troy Wollenslegel, Eric Flint, Jeff Beeler

Firearms - a controversy that never ends. Join our panelists as they discuss trends, laws, and social impact of firearm ownership and use.

Sat

07 pm

N. Belle

Guest of Honor Speeches

Terry Pratchett, J.D. Frazer, Rob Malda, Pete Abrams, Eric Raymond, Tim Ryan as MOC

Listen to our GoH's pontificate

Sat

03 pm

N. Belle

I'll Give It Away And Make A Profit On Volume

Clif Flynt, Eric Flint

How you run a successful venture based on free content. What to know about licensing considerations, and how to achieve revenue when the product is free. What are some of the historical precedents, why did many of the dot-coms fail, and what might be expected from a stable venture today.

Sun

10 am

W. Belle

Introduction to Local User Groups (LUGs)

Bob Meier, Phillip Williams

Find out where local computer and technical User Groups are located, what platforms and events they specialize in, and when they meet. Find out how to start your own LUG.

Sat

06 am

Off site

Krispy Krème Fieldtrip

Watch the folks at Krispy Kreme take a defenseless piece of dough and turn it into a greasy, sugar coated confection of wonder. Grease, sugar, and machinery - what's not to love?

Sat

05 pm

Lincoln

Looking for love in all the web places

Steve Gutterman, Troy Wollenslegel, Lorraine Donaldson

Sex sells, but does romance? It seems so, since there is no shortage of Web dating sites. But do they really produce results? Do men and women both use them? Or is one gender on "Soulmate.com", and the other on "AdultFriendFinder.com"?

Fri

10 pm

Griffith

Pinata Party!!

Susan Harris

Sick of Spam? Vent your spleen whacking an effigy of a notorious local spammer. (Yes, all spammers are full of delicious goodies, however, please don't try this at home...)

Fri

10 pm

W. Belle

Policing the Internet

Rob Malda, Jack Bell

- The DMCA and Sen. Hollings, lobbying your rights away - RIAA, MPAA - Microsoft's Licensing 6: calling their own customers thieves, IRS audit... - A look back on the Steve Jackson case, the CDA (Communications Decency Act). - The dread "modem tax" scares of yesteryear... - The "pro" side, assuming terrorists are on the internet, what do we do? - Is Big Brother listening at your ISP?

Fri

10 pm

Lincoln

Rant-off

Michael Marcus

Draw a random subject. Give your finest 60 second improvisational rant. Come for your chance to be named PenguiCon’s RantMaster P 2003.

Sat

08 pm

ConSuite

Scotch Tasting

John Guest,Jack Bell

Sample fine single malts while receiving an education in the crafting and geography of scotch.

Fri

06 pm

W. Belle

So You Want to Volunteer....?

Kathy Becker, Tammy Coxen, Tom Barber

Dicussion on the benefits of volunteering at conventions and expos. It's a great way to meet people and become involved with people with similar interests! Learn how to choose which events best suit you.

Sat

02 am

Off site

Telly's Field Trip (Food)

None needed

A field trip for late night muchies at a local Greek Diner

Sat

04 pm

ConSuite

Wine and Cheese Tasting

Rob Landley

Fine imported and local cheeses, with a selection of local wines.

Sun

01 pm

N. Belle

Yo Ho Ho and an Mp3

Steve Gutterman, Cathy Raymond

"The senator from Disney would like to be recognized..." means you agree to the license. Acronyms like DMCA, RIAA, MPAA, and UCITA are eating away at the concept of "Fair Use". What's going on, and why should you care?

Sat

11 am

N. Belle

Cartooning Jam Session

Pete Abrams, J.D. Frazer

Join Pete and Illiad as they take you through basics of comic illustration. If at all possible, we are going to see if we can get our Artist Guests of Honor to collaborate, and possibly come up with a brand new character.

Sat

05 pm

Griffith

GoH Banquet

Terry Pratchett, J.D. Frazer, Rob Malda, Pete Abrams, Eric Raymond

Extra cost event – Get your tickets early!

Sat

10 am

W. Belle

How to Get Published

Eric Flint

Advice on the myriad ways to get your creation publized, either in print or online.

Fri

09 pm

Theatre

Keynote Address: Spotlight on Eric Raymond

Eric Raymond

Join OpenSource Evangelist Eric Raymond pontificating on one of his many areas of interest: opensource, the hacker culture, the second ammendment, etc. Audience participation and autographs.

Fri

08 pm

Theatre

Opening Ceremonies

Terry Pratchett, Clif Flynt, Marcel Gagne, J.D. Frazer, Sarah Zettel, Eric Raymond, Pete Abrams, Rob Malda, Eric Flint, Jeff Bates

GoH's and Nifties

Sat

11 am

Theatre

Spotlight on Discworld

Terry Pratchett

Join author Guest of Honor Terry Pratchett to discuss his writings, featuring his Discworld series. Panel will be followed by an autograph session in a seperate session in Golden Gate.

Fri

06 pm

Theatre

Spotlight on Slashdot

Rob Malda, Jeff Bates

From the bright-lights-on-pet-projects-department – featuring Guest of Honor Rob Malda (CmdrTaco) and Jeff Bates (Hemos).

Sat

12 pm

W. Belle

Spotlight on Sluggy Freelance:

Pete Abrams

An introduction & history on the web comic Sluggy Freelance by Artist Guest of Honor Pete Abrams. The main panel discussion will also include a question and answer session to be followed by an autograph session.

Sun

12 pm

Theatre

Spotlight on User Friendly

J.D. Frazer

Join another of our Artist Guest of Honors, J.D. Frazer (Illiad) to discuss his web comic User Friendly. Included in this panel will be a history/introduction into the Ufie world, to be followed by an autograph session.

Fri

07 pm

Theatre

Terry Pratchett reads

Terry Pratchett

Storytime!

Sun

02 pm

Griffith

The Future of Comics – Online vs. Print

J.D. Frazer, Pete Abrams

Is there an advantage to being published on paper vs. web publishing? Come join Pete Abrams and Illiad, our Artist Guests of Honor, as they discuss the advantages, disadvantages, & perks for each format.

Fri

06 pm

Griffith

Action Games

Pete Abrams,

Discover the exciting facts, fun-bits and addictives behind several amazing and popular action games.

Sun

10 am

Fairmont

Anime Festival

Michael Griffin

Ongoing Anime showings all weekend

Fri

05 pm

Fairmont

Anime Festival

Michael Griffin

Ongoing Anime showings all weekend

Sat

10 am

Fairmont

Anime Festival

Michael Griffin

Ongoing Anime showings all weekend

Sat

09 pm

Theatre

Art Auction

Art Show staff

Get your bids in before 6pm!

Sat

02 pm

N. Belle

Author Signings

Terry Pratchett, Clif Flynt, Marcel Gagne, J.D. Frazer, Sarah Zettel, Rob Malda, Pete Abrams, Eric Flint. Eric Raymond

Bring your books/media

Fri

02 am

Fairmont

Cinema Obscura

Jacques Treatment

Jacques Treatment assumes control of the horizontal and the vertical. Praise Bob! A marathon of the weird and the wonderful. Prizes awarded to those who survive.

Sat

02 am

Fairmont

Cinema Obscura

Jacques Treatment

Jacques Treatment assumes control of the horizontal and the vertical. Praise Bob! A marathon of the weird and the wonderful. Prizes awarded to those who survive.

Sun

10 am

Theatre

Critters of Discworld.

Anne Murphy, Tiff Lamb, Gary Bratzel, William Askel

So what is the Luggage, exactly? What’s this with camel mathematicians? Does the Great A’tuin really taste like chicken? This and more.

Sat

09 pm

N. Belle

Dance with D.J. Bill

Bill Putt

You've been sitting all day, so get up and shake your booty!

Sat

01 pm

W. Belle

Death and Discworld.

Karen Everson, DanielKirkwoood, Gary Bratzel, Geoff Lamb, William Aske, Jeff Beeler

What can you say about an apparition who knows the souls of all, likes kittens, and makes a mean curry? Certified gland-free.

Sat

12 pm

N. Belle

Discworld: Witches versus wizards.

Karen Everson, Mia Tokatlian, Kathy Morton, Lorraine Donaldson, Gary Bratzel, William Askel

Is this magic versus science? Order versus chaos? Black magic versus white? Common sense versus bloody stupidity? Ask a wizard, he might say that magic is neither black nor white. It is all one color. That color is octarine. The witches just laugh. Or stare at you and ask you why you want to know...

Sun

12 pm

N. Belle

Discworld Geography.

Shalla Schmidt, Brian Kirkwood, Anne Murphy

Can you find your way from the Hub to Pseudopolis? Where’s the nearest port to the Counterweight Continent? Cue theme music: Do you know the way to Ankh-Morpork…?

Sun

11 am

N. Belle

Discworld Jeopardy.

Terry Pratchett

I’d like Rim Geography for $400, please…

Sat

12 am

Theatre

Drumming Jam

None needed

Fen with drums – 'nuff said!

Sat

10 am

N. Belle

Fan Culture 101 (Friday and Saturday)

Sarah Lewis, Lady Sarah, Shay Blackrose, Tom Barber, Wyn Jones

Feel sorta lost? New to this type of convention? Learn the Do's, Dont's and That'll Get You Jail Time actions. This panel should teach you the basic survival techniques you need to thrive in fandom. And you might just get a hint or two about getting a hug from that really cute girl/guy you saw this morning!

Sat

09 pm

Lincoln

Farscape: Unique is Always Valuable

Kathy Morton, Kate Pratt, Nancy Crichton

Leather, Critters, and Weapons of Mass Destruction. This ain't your Daddy's Sci Fi. Share the wonders of the Uncharted Territories. Find out what makes Farscape so special that its cancellation brought out the largest and most technically savvy effort to save a show in history at www.savefarscape.com. Presented by the Yahoo Group DetroitScapers.

Sat

11 am

W. Belle

Flirting 101

Shay Blackrose, Wyn Jones

Do's and don'ts of flirting in fandom. Never quite figured how to connect with that special someone? Our panel of experts will be happy to field questions and offer unsolicited advice.

Sun

11 am

W. Belle

History of SciFi

Eric Raymond

ESR presents his recent essay on Science Fiction

Fri

07 pm

Griffith

Intro to Fandom

Tammy Coxen, Sarah Lewis, Lady Sarah, Tom Barber

Feel sorta lost? New to this type of convention? Learn the Do's, Dont's and That'll Get You Jail Time actions. This panel should teach you the basic survival techniques you need to thrive in fandom. And you might just get a hint or two about getting a hug from that really cute girl/guy you saw this morning!

Fri

11 pm

C. Annex

LARP

Cathy Klessig, Eric Raymond

Live action role playing – intrigued? Come join!

Sat

03 pm

Theatre

Masquerade

Terry Pratchett, Cathy Raymond, Tim Ryan as MOC

Participate in or observe the time honored tradition of costuming

Fri

12 am

Theatre

Music Jam – filk

Our indigenous music form is wild, witty, sometimes a bit raucous, but always fun! Show up with your favorite noise-maker and join in.

Sat

12 pm

Griffith

Plots & Storylines

Sarah Zettel, Eric Flint

It takes more than a great idea to make a story. Our panelists offer hints and tips on creating plots and storylines to keep your creation interesting, cohesive, and intelligent.

Fri

09 pm

C. Annex

Robots in Science Fiction

Neal Probert, Erik Kauppi, Tim Ryan

Through all their various incarnations, robots have been a main stay of science fiction literature. Sure to be an eye opener. This panel will cover authors earliest creations, to their current counterparts. Come and discuss changes in how we see robots.

Sun

01 pm

C.Annex

Swordsmanship panel

Aegis Consulting

Interested in what you saw in the Pool Atrium? Join the Aegis Consulting folks for a panel on real swordfighting techniques

Sat

02 pm

C. Annex

Swordsmanship panel

Aegis Consulting

Interested in what you saw in the Pool Atrium? Join the Aegis Consulting folks for a panel on real swordfighting techniques

Sat

04 pm

W. Belle

The Antihero in Fiction.

Jeff Beeler, Susan Harris, William Askel

Pratchett’s Crowley. Brust’s Vlad Taltos. Zelazny’s Corwin of Amber. B5’s Londo Mollari. Scorpius from Farscape. They’re the characters you love to hate. Come tell us whether they’re heroes – or not.

Sat

01 pm

N.Belle

The Science Fiction Media Year in Review

Kathy Morton, Lorraine Donaldson

The best in film, print, and online publishers is discussed.

Sat

10 am

Griffith

The Science of Discworld

Shalla Schmidt, Daniel Kirkwood, Geoff Lamb, Gary Bratzel

The science of Discworld isn’t really. But between Hex, Leonard of Quirm, and Bloody Stupid Johnson, you can get some sense of how things work in the Discworld. Come discuss the results of narrativium on a universe….

Sat

02 pm

Theatre

Tom Smith Concert

Tom Smith

Music & Comedy from The World's Fastest Filker

Fri

09 pm

N. Belle

Wicca, Discworld Style.

Karen Everson, Shalla Schmidt, Mia Tokatlian

It’s not about nekkid young women dancing under the full moon. Usually. But what does it mean to be a witch in the Discworld? (When shall we three meet again?)