We all know the two big players in the mobile operating system game are Apple and Google. Apple has iOS and Google has Android. Once these guys have you in their app ecosystem it is really hard to make the decision to change to another mobile OS. With the announcement of the new iPhone 4s last week one thing I think many people looked over was that the iPhone 3GS would be free with a new 2-year contract. How will this effect the smartphone and mobile OS market? Read on to hear my thoughts..