By user votes:
The question to ask of new technology is not “Will it solve problems?” but “Will the problems it creates be preferable to the problems it solves?”
— TJW
Of course many cats like to play with toys, and chase them, but I’ve never had one before that would bring a toy to me, fetch it back, and repeat ad infinitum. I thought that was a dog thing.
http://www.youtube.com/watch?v=d2_e6dLJCJg