On Twitter, if you want to quote someone else, you say, RT, re-tweet, that person's name, and then what they said before. And it's a way of essentially saying, I'm not saying this, but my friend said this and I thought this was interesting.
Ethan ZuckermanReddit names are unconnected to real-world identities and it's commonplace for users to create 'throwaway' accounts to reveal sensitive information.
Ethan ZuckermanWhen I'm playing with circular saws, I'm offline (though often listening to podcasts) and when I sit in the cabin to read or write, it's wonderful to be offline for a few hours at a time.
Ethan Zuckerman