Inventor and futurist Ray Kurzweil was online to answer questions on the Singularity theory: an era where humans and technology converge. Needs free registration.

Editorial with tips to fight spam. [Washington Post]

Company Blames Network Troubles on a Flood of 'Spam' [Washington Post]

Already frustrated by unwanted sales pitches and suggestive come-ons, e-mail users now face another onslaught, this time from desperate job seekers.

"Recognition Technology Spreads Quickly" By Robert O'Harrow Jr. [Washington Post]

Bar codes for Internet scanners called CueCats made their latest debut in print Sunday in The Dallas Morning News, even as the creators of this new technology grapple with concerns about privacy and ease of use. [Washington Post]