Is there still an opportunity in smartphone apps? Carter Thomas thinks so, and shares some interesting and insightful ways to take advantage of the 3 giant app marketplaces (Apple, Google, and Amazon). Carter and his company are app-production machines, pumping out a crazy 1500 new apps in 2 years (mostly 2013 and 2014). Nowadays, the strategy has shifted somewhat to creating fewer apps and putting more resources and marketing behind them.