The murmurs surrounding a 10-inch Nokia tablet are growing louder, and they suggest that the company won't just follow the herd. Tipsters for The Verge claim that the Windows RT slate would center on a Surface-style keyboard cover with its own twists. While the add-on would shelter the screen, it would also include a battery to supplement the 10-hour lifespan of the tablet proper. Not enough? It could carry a pair of USB ports and serve as a kickstand. There may be a chance of a US release, as well: Nokia's tablet would supposedly include cellular access