Love it or hate it, Wikipedia is big: "the fifth most visited Website on the planet and totals more than 17 million pages in 270 languages, with more than 3.5 million articles in English and another 32 languages whose collections each top 100,000 pages." ref. - http://www.financialpost.com/news/techn ... story.html
And, as that Financial Post article indicates, there is a broadcast connection. "Sue Gardner [is] the Canadian born former CBC executive who now runs the Wikimedia Foundation, the non-profit organization that oversees Wikipedia and about a dozen of its sister sites."
To read more about Wikipedia, it might be fun to read the Wikipedia article on Wikipedia:
http://en.wikipedia.org/wiki/Wikipedia