Apple's humble App Store introduction spearheaded the bite-size way of utilizing the small computers in our pockets instead of the one-size-fits-all approach we were used to on our PCs. A few years later, and apps are now a $15.5 billion industry, who would've thought..?Source: http://www.phonearena.com/news/Apps-are-now-a-15-billion-industry-80-comes-from-the-freemium-model_id48386
