Open an eat-as-much-as-you-like buffet restaurant that weighs you when you enter and again when you leave. The restaurant will charge diners according to the amount of weight they have put on, in a similar fashion to pick-your-own fruit farms. It would be called Heavy.

Introduce new packaging for sweets, crisps, and other snacks offered in cinemas, that is silent when handled. Discreet sweets would be wrapped in a softer plastic, while crisp bags would employ an air valve release to avoid lap top explosions.

I think somone should create clothing that can detect the surrounding temperature and adjust a heating system or cooling system appropriately... wouldn't that be a dream!