Mobile Apps in 2013

With 2012 being an eventful year for mobile apps development, how big will it be in 2013 ? Lot of companies and individuals getting into developing mobile apps. But how profitable will they be? What will be the new ways of marketing an app ?

With increase in applications being used for almost everything, i see a huge demand for the apps, but how long will it be for ? 

Have an Appy New Year.