Most market share studies are broken down by individual categories that don't tell the whole story of their successes and failures. IDC has stepped forward with a more holistic look that covers PCs, phones and tablets all at once -- and paints a very different picture. Samsung and Apple lead the pack in the third quarter of this year with an estimated 21.8 and 15.1 percent share each, based mostly on their mobile dominance. Lenovo's equal balance
