“A short, high-pitched meow is your cat’s way of saying hello to you,” says Rubin. She adds that several of these meows strung together could mean “I’m so happy to see you!” or even “Hey, let’s play!” ...

The AppStore is filled with useless programs for iPhone and iPod touch. Sometimes, a truly special useless program emerges above the rest. Today, that’s AngryCat. A program that displays a picture of ...