(CNet News)  As rumors unfurl about a new gadget upcoming from Microsoft, the company’s Origami Project is starting to take shape as a very small tablet computer, one perhaps affordable enough to appeal to mainstream consumers. The concept, which Microsoft plans to detail next month, is built on top of the Windows XP operating system but aims to be a new kind of device, rather than a replacement for existing PCs, according to sources familiar with the effort. With a screen bigger than that of a handheld but smaller than a notebook PC screen, Origami devices won’t fit in the pocket, but they’ll make it into purses and even the smallest of backpacks, sources said. Read more