Rafe Blandford for All About Windows Phone:
The 50,000 mark, which has been reached sooner than we estimated, is a key milestone, but more important is the accelerating growth of the Marketplace. It took just over a year to get to 40,000 apps, but just 40 days to add the next 10,000 apps. That bodes well for Windows Phone in 2012.
Although it's easy to dismiss this as a relatively small number in comparison with Android and iOS, this is actually a very respectable achievement. The Windows Phone Marketplace is clearly growing, and its app releases are quickening. While it may not have the pace of competing platforms, its near unilateral praise has made it a realistic underdog contender.
Having said that, as I (and others) have argued in recent days, Microsoft needs a defining feature for Windows Phone in order to remain relevant. Without one, Windows Phone is sadly relegated to near anonymity beneath swathes of Android devices and iPhone placards.
(Via The Verge)