Europe has always been a travel destination, but now the region is expanding to another, entirely different area of human interest: business. Startups are popping up all over the continent, and many of them, such as Skype and Last.fm have already reached unprecedented heights of success. Places like London and Berlin are the new cool when it comes to starting a business, with entrepreneurs from different parts of the globe flocking there. Here are the top 5 European cities that are buzzing at the moment in the world of startups.