According to recent stats we now watch more videos on YouTube than searches on Google. And with the recently introduced YouTube Partner Program you can now profit from making and uploading videos. You will receive a percentage of the advertising revenue collected per 1,000 views.
Depending on how successful you are (virality, subscriber base and topic) you can make a lot of money, and there are plenty of stories every week of more and more YouTubers making it their career.
For more tips read our guide to making money from YouTube.