Thought it best to address that one right out of the gate. Rejaw is a new microblogging site that sits in the microblog -> Lifestream spectrum between Twitter and FriendFeed. Rejaw is probably most similar to Plurk in that it focuses on short form posts by users, but unlike Twitter, it also lets users comment on each other’s posts.
Unlike Plurk, which also offers users the ability to post thoughts and then comment on each other’s musings, Rejaw has a more Twitter-like UI, making it more intuitive to a Twitter user.
Rejaw’s auto refresh of posts and comments adds replies to the conversation in real time. Once you get used to the accompanying flashing images and seeming lightshow, it is pretty cool.
Rejaw also departs from Twitter in that it allows for 1000-character posts versus 140. In playing around with Rejaw, I found most people sticking roughly to Twitter’s 140-character limit out of habit. I found myself breaking thoughts into several posts out of habit.
Early adopters from Twitter and FriendFeed — most notably Leo Laporte — joined Rejaw tonight mostly at t