http://techcrunch.com/2010/06/02/oexchange/
OExchange, a simple specification for URL-based content sharing on the Web, was introduced today by a number of online service providers and social networks. The open link-sharing protocol has gained support from Google, Microsoft, LinkedIn, Digg, Instapaper, StumbleUpon, Clearspring Technologies and a handful more.
Tech Buzz A bare-bones bookmarking tool for those too busy to read. A nifty little tool from one of the guys behind Tumblr. Yes, we know bookmarking technology isn’t exactly ground-breaking; Instapaper just does it more elegantly than anyone else.