Summary:<p>-time spent on digital only grew 2% last year (in the US). This is the new normal. If advertising is your revenue model, you aren't in a growing market any more.<p>- ten of the top twenty mobile apps are owned by Google, Facebook or Apple. This is also a new normal.<p>- millenials are also drawn to different, non-mainstream apps. Snapchat, for instance. It is here where entrepreneurs have an opportunity to shake things up.