That's already been the way people have been using the favstar on twitter. The difference now is that it'll be obvious to more people that this is the main purp

That's already been the way people have been using the favstar on twitter. The difference now is that it'll be obvious to more people that this is the main purpose of the feature. That plus now it'll be slightly different if you want to "favorite" something that is negative (the "like" problem).