According to a recent report, only a small percentage of users upload content to Web 2.0 sites such as Flickr and YouTube. The report states that only 0.16 percent of YouTube traffic uploads video. Even more shocking to me is that only 0.2 percent of Flickr visitors upload photos. It is hard to imagine that the massive number of images available on Flickr comes from less than 1 percent of its visitors.

Oddly enough, 4.59 percent of traffic to Wikipedia took part in adding or changing content.

You can read the full article at Ars Technica. Found via Buzz Out Loud Podcast.