Gossip, rumor and privacy on the internet - the future of reputation 

Remember the woman who sent a raunchy email to her boyfriend the morning after, only to have the Cad email it (eventually) all round the world?

Then, there's Dog Poop Girl, who was so embarrassingly outed on the Internet that she found it necessary to drop out of her University ... 

Daniel J. Solove, blogger and professor of privacy law at a US university has published a book exploring what reputation means in a world of social media ...

Thoughtful review here and here; Belle Lettre encounters the problem here and excellent review here.

Book here.