Complex sentence: In the summer of 2009, FreedomSpeaks.com created the original CitySourced mobile application, which was launched in September 2009 at the 2009 TechCrunch50.
Split into simpler sentences: In the summer of 2009, the group created the original CitySourced mobile application. Then in September 2009, the CitySourced product official launched at the 2009 TechCrunch50.