According to video measurement service TubeMogul, CBS posted 38 videos over the past weekend alone.
The company also says that few pirated NCAA Tournament clips have surfaced on YouTube, with nearly all video views coming from CBS's official YouTube channels. TubeMogul data shows that views on CBS' March Madness channel hit a peak of more than 300,00 on Monday as fans caught dunk reels and other clips at work.--Mark Walsh