It's fabulous for research, but then it becomes addictive.
I'll have a character eating an orange, and next thing I'm Googling types of oranges, I'm visiting chat rooms about oranges, I'm learning the history of the orange. I've heard rumors about myself that are true - and nobody likes that.
And for people who have no interest in serious dating and just want to find people to hook up with?
Online is a much better way to accomplish that too.
Cultural icons garner millions of fans online in locations they have often never been themselves.