Mobile App Stores : Growth In Numbers

The mobile application market is a mini-industry in itself with several thousand app developers now in the business of making and selling applications to mobile phone users across the several App Stores. So, how many mobile application stores exist as on date? A study by GetJar lists the growth of App Stores in the past few years

Before 2008 : 3
2008 : 8
2009 : 38
2010 : 48 (till Feb)