In a podcast from the O’reilly Open Source Conference, Tim o’Reilly rattles off some interesting figures about web 2.0-like services:
- Wikipedia has 5 million articles, written by 100.000 contributors
- Amazon has 10 million reviews written by more than 100.000 reviewers
- Del.icio.us has 2.5 million users contributing probably tens of miliions of shared bookmarks
- The 10 million users of Flickr have so far shared 750 millions photos
- There are 122 million Independent websites on the World Wide Web generating 10-20 billion pages.
I can add another piece of statistics:
according to World internet statistics, there are 1,244,449,601 persons on the planet with internet access – 18.9% of the population.
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