I'd did a little analysis for fun, found Google and Amazon both applied: APP, BOOK, BUY, CLOUD, DEV, DRIVE, FREE, GAME, MAIL, MAP, MOVIE, MUSIC, PLAY, SEARCH, SHOP, SHOW, SPOT, STORE, TALK, VIP, WOW, YOU.

See more on my blog(Chinese) if you interested: http://yinhm.appspot.com/2012/06/new-gtld-current-applicatio...