Twitter is at the heart of the phenomenon called microblogging. Meet its founder, Evan Williams.
Determining how fast ice sheets are melting is critical to future policy.
The founder of Friendster looks at the revolution he started.
Max Levchin, cofounder of PayPal, talks about why he needs to keep working.
Registered-traveler programs have privacy implications.
The real value of open-source software is the community it fosters.
Why not use a communal approach to fix software?
Surveillance gizmos are a part of my life. What do they reveal?
On MySpace, you can be friends with Burger King. This is social networking?
Interactive tools could help to prepare students in developing countries for the collaborative workplace of the future.