Apple TV review (third gen, 2012), updated for 2017

The 2012 edition of the Apple TV, a connected set-top box that offers access to iTunes TV shows and movies, as well as content from Netflix, Youtube and Vimeo, has been discontinued, but it's still possible to pick one up second hand. Does the third-gen Apple TV offer value, five years on? Here's our third-gen Apple TV review, updated for 2017