Twitter is looking to encourage more private discussions on its service. CEO Dick Costolo would like to have a "whisper mode" that allows users to take pub
There are frequently public conversations that you would like to grab hold of and take into whisper mode with a friend and say, hey, this thing has happened. Look what these people are talking about. What do you think about this, with a friend or more than one friend. So being able to move fluidly between that public conversation and the private conversation is something we’ll make simpler.
This sounds like having a Facebook private chat. Might be very popular. Direct message was designed for this, but that became like spam, let's hope this doesn't as well.