Announced during a press event in San Francisco earlier today, Facebook has pushed out support for 60 new applications that will allow friends of users to join in on the activity through Facebook. For instance, a Facebook user could be using Foodily to cook a recipe for lemon chicken. If a friend sees that activity within the feed, they can join and try cooking the same recipe. Another example mentioned at the press event would entail a Facebook friend joining someone else on a run by utilizing the Runkeeper application. ... read more..