The law will never make men free. It is men that have got to make the law free.
—Henry David Thoreau1
On January 8, 2011, Deepa Praveen was adding tags to photos on her Flickr account when a digital trap door opened and she found herself dropped onto a page with a strangely existential message: “User no longer exists.”2 Everything she had created at Flickr, including her own identity there, was gone. So she sent an e-mail to Flickr’s help desk. ...