While Nielsen doesn’t generally receive much praise here at Faultline Online Reporter, we can at least appreciate it giving metadata expert Gracenote the freedom to innovate within the audience measurement behemoth since its takeover a couple of years ago. Hot off the press is Gracenote’s latest product launch called the Video Popularity Score – essentially a personalization turbo for video service providers with a few clever tricks up its sleeve. Of course, this is worlds away from the automatic content recognition-pioneering Gracenote the world fell in love with and Nielsen is essentially using Gracenote as a front for its own push into video analytics to enhance its core data business – and an effective one at that. Part of Gracenote’s…