I shut down my Facebook account about seven years ago, and never looked back. I have led a globetrotting life, and I know a lot of people. When I moved back to Sweden in 2007 after thirteen years in the New York and New Orleans, it seemed FB would be a good way to keep in touch with my American friends. And when I moved to Berlin from Stockholm in 2009, it seemed that FB would be a lifeline to my friends in Sweden too. But slowly I started to realize that FB was both a time t