A weathercock has risen from the sea of Discworld and suddenly you can tell which way the wind is blowing. A new land has surfaced and so have old feuds. And as two armies march Commander Vimes of Ankh-Morpork City Watch has got just a few hours to deal with a crime so big that there’s no law against it. It’s called ‘war’. He’s facing unpleasant foes who are out to get him…that’s just the people on his side. The enemy might even be worse. And his pocket Dis-organizer says he’s got Die under ‘Things To Do Today’. But he’d better not because the world’s cleverest inventor and its most devious politician are on their way to the battlefield with a little package that’s guaranteed to stop a battle…Discworld goes to war with armies of sardines warriors fishermen squid and at least one very camp follower.

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It knows what you’re thinking. The amazing 20Q will leave you and your friends amazed as it reads your mind. If it reads your mind within 20 questions it wins if not you win! This is “Artificial Intelligence” in its most spherical form. ; ; Who Invented 20Q? ; Robin Burgener the inventor of 20Q is based in Ontario Canada. He began working on 20Q in 1988 with the game running on a 5/14 inch floppy disk. Until 1996 over 2000 games were played in this way creating the basis for the larger online experiment which led to the launch of the pocket version by Radica. ; ; How does the 20Q guess what you are thinking? ; The artificial intelligence behind the game is a neural-network similar to a human brain. A brain or neural-network is built from neurons connected by synaptic connections. A human brain has about one hundred trillion (100 000 000 000 000) synaptic connections. The 20Q.net online version has about ten million (10 000 000) and the pocket version has about two hundred and fifty thousand (250 000). The game uses the neural-network to choose the next question as well as deciding what to guess. ; ; How did it get so good at guessing the right answer? ; The 20Q.net Web site was created in 1996 and currently plays over twelve thousand games per day. The game is still learning through playing and analyzing the results from the games played to enable it to learn new objects and hone its skills on items currently in its vocabulary. Radica’s version of 20Q has taken the most popular items to create an addictive and sometimes uncannily accurate pocket mind-reader!

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