But October ad requests stats not so good for BlackBerry, Symbian and WinMo

Android is on the charge when it comes to mobile internet and application usage, judging by AdMob’s just-released October Mobile Metrics Report.
Google’s OS took an 11% share of worldwide smartphone ad requests on AdMob’s network in October – up from 3% in April. In the US, it’s risen from 7% of requests to 20% in the same time period.
What’s more, Motorola’s Droid looks set to continue that growth. Just two weeks after its launch on 6th November, AdMob says it accounted for 24% of all its Android ad requests.
Globally, iPhone also increased its share of ad requests on AdMob’s network in the last six months, moving from 43% in April to 50% in October. The big loser was Symbian, which went from 36% to 25% in the same time period.
However, Research In Motion may have cause for concern. Its global market share of AdMob requests declined from 9% to 7% between April and October – but in its biggest market, the US, that share went from 17% to 12%.

Windows Mobile is also on the slide, with its global share shrinking from 5% in April to just 3% in October. Meanwhile, Palm’s webOS – represented in October by the recently-launched Palm Pre smartphone – took a 2% share that month.

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