Mikael Hed is unrepentant about the 200 million minutes per day that people around the world fritter away playing Angry Birds, the iPhone game created by the company he heads. "It's great. Think of ...

The mouse no longer follows a straight or gently curving path when users are upset or confused New York: Most people can tell if you are angry by looking at your face or behaviour but what if how you ...

We've probably all experienced it – getting frustrated by the user interface on a website, and wishing that the creators of that site could know just how angry they were making us. Well, in the near ...

Mikael Hed is unrepentant about the 200 million minutes per day that people around the world fritter away playing Angry Birds, the iPhone game created by the company he heads. It's great. Think of all ...