Top 50 Most Viewed US YouTube Channels • Week Of 12/26/14

TubefilterTop 50 Most Viewed US YouTube Channels • Week Of 12/26/14Tubefilter[Editor's Note: Tubefilter Charts is a weekly rankings column from Tubefilter with data provided by OpenSlate. It's exactly what it sounds like; a top number ranking of YouTube channels based on statistics collected within a given timeframe. We're ...