Interesting case study from Google on YouTube. The post highlights how content rights holders were able to use YouTube's Content ID tools tp generate revenue from a wedding party video featuring Chris Brown's "Forever". Ultimately the viral video pushed "Chris Brown Forever" to one of the top searches on the video site and increased Click-to-Buy by 2.5x in the last week. This is over a year after the song's release.

For more on monetizing viral content, read Susan Boyle Taught Me about Monetizing Popular Content