You've seen how a dog wags his tail when he's happy. Now you can too. 'Tailly' is a tail for humans. Its attached to a belt that is worn around your waist and can sense your mood through your heart rate and moves accordingly.

Shota Ishwatari, is the developer who just finished up his initial campaign with the hopes of releasing 'Tailly' by August but funding has become an issue. Maybe we will see him pitching the idea on ABC's Shark Tank.