Friend Turnover

Seven years from now, a new study reports, your friend group will probably look entirely different, even though it’ll still be the same size. Utrecht University sociologist Gerald Mollenhorst surveyed 604 people about their friends and again seven years later, and found that only 48 percent of people’s original friends were still part of their network after that time period. How will social networking tools like Facebook and Twitter affect the rate of friend turnover in the next seven years? [%comments]