> This will accelerate the pace that Facebook replaces email for some users and strengthen its position as an essential utility on the Internet. Will it really

> This will accelerate the pace that Facebook replaces email for some users and strengthen its position as an essential utility on the Internet. Will it really though? My feeling (based completely on anecdotal evidence) has always been that pretty much NOBODY ever uses these social buttons (that button strip on every website with Facebook, Digg, Reddit, StumbleUpon, etc.) on websites unrelated to social networking. Is my feeling wrong or is there some reason to believe that users will change their behavior in the future?