Google's acquisition spree continues with its latest pickup - BumpTop , makers of the BumpTop desktop environment, which is designed to bring a more 3D and "visceral" user interface to the operating system. The product has been available for Windows and Mac, but Android is the likely destination for its technology in Google's hands. Google has remained tight-lipped about what it actually plans to do with BumpTop, but as with some of the company's other recent acquisitions,