Comment Stockholm is for sure on the list. (Score 5, Informative) 266
"Stockholm is the home of billion dollar startups in Europe, and by one measure the Swedish capital is second only to Silicon Valley as the birthplace for the world's most successful internet companies."
http://www.zdnet.com/article/s...
On the other hand there is a lot of other cities that also makes the list. Like London and Helsinki among others.