Cool conference Tech in the Park With its garden talks and party atmosphere, Berlin’s Tech Open Air conference may not be the slickest of the global technology meetings, but it’s certainly the most unique. Investor favorite Berlin: The Upstart Start-up Capital Berlin has topped a list of European cities that attract the most start-up investment, beating London and Munich. But times are getting tougher for the German capital's trendy innovators. Start-Up Incubators Big Fish Help Small Fry Established German companies are supporting fledgling firms, hoping to profit from their energetic culture and new ideas in exchange. 16 Against One Shaking Down Berlin in Financing Shake-Up Germany’s 16 states made an uncharacteristic show of unity on Thursday when they presented the federal government with a radical plan for redistributing tax revenues. The only way they could agree was if Berlin stumped up an extra €1 billion. Downward Revisions Launch Pad Problems at Rocket Internet Is the German start-up incubator losing its mojo? The final verdict isn't in. But management is jumping ship and chief executive Oliver Samwer is looking for answers.