Stop us if you've heard this one before: the launch of a flagship, brand-defining smartphone gives its creator a swift leap in market share immediately afterwards. There's no surprise that the iPhone 5 will have improved Apple's standing in the US, then, but Kantar Worldpanel's market share study suggests that the lift was more than some expected. The firm estimates that Apple climbed to 53.3 percent of American smartphone share in the three months leading up to late November. The figure is both Apple's highest ever for the country as well as its first venture past the 50 percent mark. Android
