Following in the steps of apps like Kindle, Evernote, Vimeo and most recently Netflix, Apple's Movie Trailers app has been on the receiving end of a Retina-friendly refresh. Version 1.1 doesn't reveal any other changes besides the 2048 x 1536 compatibility, which should be more than enough reasons to make you a happy camper. Now you'll be able to drool over The Avengers teaser over and over in 1080p -- a well-deserved retreat after flicking through your stack of