Google and Friends to Gang Up on Facebook - New York Times

“It is going to forestall Facebook’s ability to get everyone writing just for Facebook,” said a person with knowledge of the plans who asked to remain anonymous because he was not authorized to speak on behalf of the alliance. The group’s platform, which is called OpenSocial, is “compatible across all the companies,” that person said.

“Facebook got the jump by announcing the Facebook platform and getting the traction they got. This is an open alternative to that,” the person also said.