I'm confused. The first sentence says the list is comprised of "some of the world's bright ideas that just didn't work out", yet includes several extremely succ

I'm confused. The first sentence says the list is comprised of "some of the world's bright ideas that just didn't work out", yet includes several extremely successful products/services (e.g. Farmville, Foursquare, Bumpits, Tamagotchis, Crocs, etc.).