It’s conventional wisdom that Google’s Android mobile OS is the smartphone-and-tablet platform that has the greatest chance of catching fire as the iPhone did. And there’s evidence that Android is in fact catching fire as multiple Android devices gain traction among users.

For example, although Apple continues to dominate the worldwide and U.S. mobile handset markets with its iPhone and iPod Touch devices, makers of Android phones are gaining ground, according to the latest research out of AdMob, a mobile advertising network in the process of being acquired by Google. AdMob bases its stats on requests for access to the 18,000-plus Websites and applications in its network.

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