(preface: I rarely use twitter) I guess it's because: 1. It's super simple to set up, and the short length forces you to be direct. 2. It's incredibly easy f

(preface: I rarely use twitter) I guess it's because: 1. It's super simple to set up, and the short length forces you to be direct. 2. It's incredibly easy for sharing - so there's potential for things to go viral, fast. Good for customers, bad for companies. Hashtags are quite powerful, as anyone can use them - so if someone decides to block you or whatever, you can still reach through hashtags. Likewise, I guess a lot of big companies are actively monitoring twitter for things related to them. Pretty easy to automate.