Interesting Nielsen ratings along with a few stats and visuals.

Attaching 3 more articles with this seed, the same way its tabbed on the BBC page.

Internet billionaires
http://news.bbc.co.uk/2/hi/technology/8562379.stm

Net growth (since 1998)
http://news.bbc.co.uk/2/hi/technology/8552410.stm

How it (internet) works
http://news.bbc.co.uk/2/hi/technology/8552415.stm

About this data

Explore this interactive graphic to find out which are the biggest sites on the internet, as measured by the Nielsen company. This feature is part of SuperPower, a season of programmes exploring the power of the internet.