2005, San Francisco, CA www.reddit.com
Reddit is a social news website that displays what’s new and popular on the web, based on your personal preferences and what the community likes. Your preferences are determined based on your history of voting stories up or down. All of the content on reddit is submitted and voted on by users,
The company was started by two University of Virginia grads, Alexis Ohanian and Steve Huffman. Conde Nast, owner of Wired acquired Reddit in October of 2006.
Bookmarklets
Bookmarklets can be added to your browser’s toolbar. These buttons will let you “reddit this” (submit the link, or if it’s already been submitted, share it and/or comment on it), like, dislike, and save links while you surf.
Web 2.0: Who, What, Why, How 