Do you feel more lonely after using your smart phone?

In a recently-posted TED talk, MIT professor and psychologist Sherry Turkle explains why people who are constantly tethered to their smart phones feel so alone. She argues that loneliness in the age of social media has become far more crippling than ever before in history. But is she right that connectivity is… » 4/03/12 4:00pm 4/03/12 4:00pm