Android, as Andy Rubin (no relation) has pointed out on multiple occasions, plays a game of numbers. And at Google I/O, the company carrying on its development shared some large ones: 100 million activated devices with 400,000 being added each day. However, like in many games, different players can catch up or overtake each other at different points. Just ask Nokia and RIM. To stay on top, operating system vendors implement strategies that lock consumers in. The more money consumers sink into iPhone apps, for example, the more incentive they have to stay with that platform; the same is true for accessories that use Apple's 30-pin dock connector that has been around since the third-generation iPod.
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