Robin Good: Google has just released the new YouTube app for iOS. The app is free and it is available worldwide in the app store.
Key features include:
✓ Enjoy YouTube’s vast video catalog, including official music videos
✓ Find videos and channels more easily with voice search and query autocomplete
✓ Subscribe to channels and instantly access your subscriptions with the channel guide UI
✓ Read comments, browse related videos, enable subtitles and more - all while watching
✓ Easy video sharing to Google+, E-mail, Facebook and Twitter
Download it now: http://itunes.apple.com/us/app/youtube/id544007664