Wouldn't it be neat if there was an "anonymous like" that you could use for the benefit of your friends and yourself, but that would be prevented from being rev

Wouldn't it be neat if there was an "anonymous like" that you could use for the benefit of your friends and yourself, but that would be prevented from being revealed in a way that was traceable directly to you? I.e. differential privacy for the facebook crowd. For me, the potential negatives of leaving a very precise data shadow for marketers and state actors to remember for all time often outweigh any potential benefits, for a whole range of 'codify yourself' opportunities even outside Facebook (e.g. GoodReads, Amazon Wishlist, YouTube subscriptions, etc).