This isn't really the expectation you want your users to have.
Interesting to note that Google comes up in this though.
This is leading to regulation. Hard and swift.
I wrote an expanded version of this comment as a blog post here for anyone who wants to read it and comment, here or there. http://edwardbenson.com/facebooks-product-is-you
But the problem is that's like an ostrich sticking its head in the ground. People are making money off your existence, off of every click you make online, off of your gender and your religion and what you read last weekend.
Until we are able to accept that reality as active, willing participants, we won't be able to demand better legislation to give us agency is the issue. The ostrich never had any agency in the stampede rumbling by him.
>This isn't really the expectation you want your users to have.
It kind of is - Facebook's raison d'etre is sharing information easily.