YouTube released three new features for analytics tool that give more sophisticated, useful ways of using Insight so you can better serve and understand your audience.

• Discovery over time comibines “track a video's view count and popularity over time” & “discovery section” into a nifty graph that illustrates how people discovered your video over time.
• Views from mobile devices show you views of your videos that come from either mobile phones or platforms that use YouTube APIs from Discovery section of Insight.
• Views from subscribers lets you drill down into views from the homepage subscriptions module, subscriptions page, and subscription email sent to users.