Pareto's Law (Lin Webster 2002) States a minority of media producers always serve a majority of consumers. To support this information is google who own 127 sites from Feb 12th 2009 - June 11th 2013 including Youtube, Doubleclick, Feedburner, Salesforce, google adsense, picasa, google maps, panoramio, Gmail, Google Earth, blogger
twitter owns vine
yahoo owns tumblr, flickr
Microsoft own bing, msn, Xbox
top 5% of all websites accounted for almost 75% of user volume