PROVIDING A TASTE of what Nokia might have to look forward to, Comscore has revealed that Microsoft's launch of Windows Phone 7 (WP7) led to a 1.7 per cent drop in its US smartphone market share.

Comscore released its US smartphone market figures for the three months up to January 2011, showing that Google's Android is the most popular smartphone operating system with 31.2 per cent of the US market. During the high volume Black Friday and Christmas sales, Android's market share grew by an astonishing 7.7 percentage points.