Two years ago, I wrote in US News & World Report that Amsterdam is a hub of startup innovation, and interviewed Deputy Mayor Kajsa Ollongren after The Next Web conference in the Netherlands. I also spoke with Patrick de Zeeuw, CEO of Startupbootcamp Amsterdam and Co Founder of Startupbootcamp Global. I shared his advice for entrepreneurs at The Huffington Post. Last month, I returned to Amsterdam to hear how the city’s economic ecosystem has evolved