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.
Christian RudderI know that shorter messages are better in terms of reply rate. The optimal length is something like 50 characters. Characters, not words.
Christian RudderYou 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.
Christian RudderWe noticed recently that people didn't like it when Facebook "experimented" with their news feed. Even the FTC is getting involved. But guess what, everybody: if you use the Internet, you're the subject of hundreds of experiments at any given time, on every site. That's how websites work.
Christian Rudder