(Screenshot from Lime Bike's How-To video) Investors are pouring money in bike sharing apps in the US after they’ve observed the success of such apps in China, and they are investing, hoping that the success will play out in the US, but there are particular obstacles to overcome that China does not have. It is not the first time when tech companies become interested in changing how cities work. But it gets complicated when virtual meets the reality. Dan Doctoroff of Google Si