Yahoo! makes a del.icio.us purchase: "Yahoo!'s other recent social networking acquisitions include a popular photo-tagging service, Flickr, and an event-planning service, Upcoming.org.
The del.icio.us site was created in 2003 by Schachter, a Carnegie Mellon University graduate.
Del.icio.us' investors include Union Square Ventures, a New York-based venture capital firm, Amazon.com Inc. and Netscape Communications Corp. co-founder Marc Andreessen."