Budapest has notable innovation capabilities as a technology and start-up hub. Many start-ups are headquartered and begin their business in the city, some of the best known examples are Prezi, LogMeIn or NNG. Budapest is the highest ranked Central and Eastern European city on Innovation Cities' Top 100 index. A good indicator of the city's potential for innovation and research also, is that the European Institute of Innovation and Technology chose Budapest for its headquarters, along with the UN, which Regional Representation for Central Europe office is in the city, responsible for UN operations in seven countries.