Diaspora starts about a thousand years from now. Most of human civilisation has moved inside computers; essentially, a major branch of our descendants consists of conscious software.
If you're in a company, you're dancing from 9 a.m. till 7 in the evening, and then you go home and get in a hot tub and get some Epsom salts and try to get your body goin' again. There's no social life, no anything.