If you have an Apple TV these are some simple tips and tricks that you should know about. The following tips come from a Reddit post which can be found here.
Tip #1: Holding down the menu button will get you back to the main menu a lot faster than repeatedly clicking it.
Tip #2: Holding up during playback will show info about the video.
Tip #3: Holding select while viewing a video gives you audio options, like closed captioning.
Tip #4: In Netflix, press “play” on the episode in the summary episode-list page to play it directly.
Tip #5: Holding the play/pause button will turn off the Apple TV when on any app at the main menu.
Tip #6: Holding select while on an app tile allows you to rearrange them.
Tip #7: AirPlay Mirroring works a lot better from OS X 10.9 Mavericks than it did on 10.8.
For more tips and tricks like these and comments from Reddit users, check out the post linked above.