Each week Ross Rubin contributes Switched On, a column about consumer technology.
Today's hottest and best-selling tablets and smartphones have one thing in common: they are powered by ARM processors. Offered in such variations as NVIDIA's Tegra, Qualcomm's Snapdragon, Samsung's Exynos and Apple's A6, ARM processors dominate the leading edge of mobile products. At LG's recent announcement of its clever and well-appointed G2 smartphone, much was made of it being the first
