This is manifestly not just a geeky thing. Go read the news coverage of the last few major Facebook changes and you will see that the chorus of concerned peopl

This is manifestly not just a geeky thing. Go read the news coverage of the last few major Facebook changes and you will see that the chorus of concerned people has been growing quite well. "It does what you like about Facebook, except only you control who sees your stuff" would be a simple sell to lots of people.