Consider the story of Paul Chambers. The UK resident wanted to take a holiday trip to Ireland, but couldn’t since his local airport was snowed in. So he decided to Tweet.  Since his Tweets are protected, here’s what he said. “Robin Hood airport is closed. You’ve got a week and a bit to get your s*** together, otherwise I’m blowing the airport sky high!!” The problem with that is, besides being totally stupid, -the police could interpret that as a terrorist threat.  And you bet they did.