If we ever established contact with intelligent life on another world, there would be barriers to communication. First, they would be many light years away, so signals would take many years to reach them: there would be no scope for… — Martin Rees Copy Share Image
One of the things that amazes me about Twitter is the way it utterly eradicates artificial barriers to communication. Things like status, geopolitics and so on keep people from talking to one another. Those go away in Twitter. You see… — Dick Costolo Copy Share Image
