Oh Yes.. You can pair your YouTube account and watch all your favourites and Subscriptions with ease.. You can search for Videos.. This TV does not come with a QWERTY keypad hence searching is slightly difficult.. What I do is search for videos and move to Favourites and watch in this TV
Yes, there is a YouTube App built-in, and it works well. Typing on the remote to search for things can be annoying, but the YouTube app in general has a predictive text feature that makes it much easier.
yes. (Netflix, Vudu, Amazon) also have there own buttons right on the remote for fast access. it also have some yahoo apps like weather and news. Hulu, Rhapsody, Flickr, Skype, Twitter, Facebook, Mgo, and a media player for external flash drivers or usb hard drive.