Great read from Alex Iskold on O´Reilly:
The reason it is important for things to be linked is so that people can be connected around their interests and not around websites they visit.
Open Graph:
The company's new vision is no longer to just connect people. Facebook now wants to connect people around and across the web through concepts they are interested in.
Despite the drawbacks, there is no doubt that Facebook's announcement is a net positive for the web at large. The web of people and things is now both very important and a step closer. The questions are: What is the right way? And how do we get there?
Beyond technical issues, Facebook should open up this protocol and make it owned by the community, instead of being driven by one company's business agenda.
We want to believe that Facebook will do the right thing and will collaborate with the rest the web on what has been an important work spanning years for many of us. The prospects are exciting, because we just made a giant leap. We just need to make sure we land in the right place