You take a picture of yourself in some exceptional situation - skydiving or whatever. People always post those photos because it works - you're saying something about yourself that begs a conversation and that's what the users are there for.

People tend to prefer their own race online in terms of the volume of messages.

Text is, in some ways, on the way out, unfortunately. There are dating sites now that are just pictures.

Twitter, Reddit, Tumblr, Instagram, all these companies are businesses first, but, as a close second, they're demographers of unprecedented reach, thoroughness, and importance. Practically as an accident, digital data can now show us how we fight, how we love, how we age, who we are, and how we're changing. All we have to do is look.

Use correct grammar and punctuation. Do not use net speak, like WOT, W-O-T or U. Those messages get a lot lower reply rate.

There will be more words written on Twitter in the next two years than contained in all books ever printed.

Kind of paradoxically, men are very open minded or very even handed with their votes of women.