Push Singh and Chris McKinstry had a lot in common: Both Canadian. Both coders. Both obsessed with tapping the Web to create a true artificial intelligence. And both found dead in the same strange way.

A password. 7 simple letters. A hacker's lucky guess. And suddenly the frontman for Linkin Park was living a nightmare. Finding the stalker would become a matter of national security.

Is the hottest spot on the Net paradise on Earth or something a little more sordid? An exclusive behind-the-scenes look at Second Life and its messianic creator, Philip Rosedale

The Internet's new boom kids are poised to take over the world -- if they don't crash first

Eric Bauman made big bucks posting other people's homemade grossout videos to his Web site. Now the geeks whose clips he swiped on the way up are trying to knock him down.

Meet the boy wonder behind Facebook.com, the hottest Web site the Internet.

In the booming world of online poker, anyone can win. Especially with an autoplaying robot ace in the hole. Are you in, human?

Justin Frankel, the man who made it easy to swap music online, has even bigger plans.

Inside one man's crusade to save Gillian Anderson and the rest of the world from the plague of fake celebrity porn.