From seobook.com , a graphic of how Google Works (and one further down of how it used to work). Online Marketing Graphic by SEO Book Here’s the earlier version:
New Scientist has published some beautiful maps exploring which are the remotest places on earth – given how much international transport we have available to us. “The maps are based on a model which calculated how long it would take to travel to the nearest city of 50,000 or more people by land or water. […]
Tim Berners-Lee on link data.
Iqbal Quadir talks about Grameen Phone