So Many Good Ideas (and some not so good ones too!)

Half Bakery is full of them.  You should definitely get a smile out of many.  You could also lose an hour at work surfing through them.  Some would definitely make this world a better place.

The Halfbakery is a communal database of original, fictitious inventions, edited by its users. It was created by people who like to speculate, both as a form of satire and as a form of creative expression.