Block by Block is a startup working on making decisions smarter real estate investing. We pool large sets of data to create a unique overview of flow of people - block by block. We call it block demographics and our goal is to provide a decision tool for investments based in real peoples movement.We pursue a wide set of data for our solution. We are collaborating with telecompanies and we are harvesting proprietary data that we crunch to answer the question of where people are when and why.