The new preview function shows you what to expect before choosing to save or play the video, and in which resolution. You can also share videos to friends nearby, without using up any data. Here are some of YouTube Go’s most notable features: Find and discover relatable videos right on the home screen: YouTube Go homescreen features trending and popular videos in your area, so that you’ll find and fall in love with new videos that you and your community care about.Preview videos before you save or watch: Not sure if you want to watch the video? On YouTube Go when you tap on a thumbnail, it’ll trigger a quick preview of the video, giving you a better sense of what the video is about before you decide to save or play it.Choose your resolution when saving or streaming videos: Whether you’d like to save a video for offline viewing later, or stream it now, you can see and choose the amount of data you’d like to spend on that video.Share videos with friends nearby: Share videos with friends and family nearby without using any data. You can send and receive videos instantly and offline with others using the YouTube Go app.We’ll gradually roll out YouTube Go to more and more people over the next few months, getting their feedback and improving the product before launching it widely early next year. If you'd like to be among the first to find out when the app is ready, you can sign up at youtubego.com/signup.