If you use a BlackBerry, you could very well be a pessimist. If you use an iPhone, you're likely an optimist, but chances are your manners are suffering because you're using it too much.
This info-graphic by Coupon Audit has a whole load of interesting and funny facts about smart phone users' personalities. One of our favourites is '0% of BlackBerry users expect the best to happen'. Why are you so down, BlackBerry users ? If you are an iPhone user, then this info-graphic will definitely make you feel good about yourself. (Well, except for the part about using your phone in social situations. Do we need to remind you that's rude ?)