Not sure why he's angry, didn't this same thing happen with Instapaper and Apple? If anything, it will expose the idea to countless others and if they really li

Not sure why he's angry, didn't this same thing happen with Instapaper and Apple? If anything, it will expose the idea to countless others and if they really like it they might want to go beyond Twitter's implementation of it, unless the feature is so weak / easy to do that you shouldn't be relying on it.