Online video is just huge and growing. YouTube is now the fourth most visited site on the Web, globally, according to Mashable.com, citing comScore figures for this past July. YouTube had 120.3 million viewers in July, over one-third of the US population, and in that one month, they watched 8.9 million videos. “What may be more shocking is the average number of videos per viewer: 134.9. That’s nearly five YouTube videos per day.” Here’s The Guardian on how peace recently broke out between YouTube and the music industry. And here’s TheJournal.com on how one teacher made the case for using YouTube at school.