San Francisco: For the past year, Jean Paoli, CEO of the artificial intelligence startup Docugami, has been scrounging for what has become the hottest commodity in tech: computer chips. In particular, Paoli needs a type of chip known as a graphics processing unit, or GPU, because it is the fastest and most efficient way to run the calculations that allow cutting-edge AI companies to analyze enormous amounts of data.So he's called everyone he knows in the industry for help. He's applied for a government grant that allows access...