In the Mobile 1.0 era, companies merely extended things like e-mail and calendar and rudimentary apps to mobile devices, said Nathan.

FORBES: SAP: Without Mobile, There Ain't No Real-Time Enterprise

As Nathan pointed out in his keynote, there are already more than 5.2 billion mobile phones worldwide, versus 2.2 billion toothbrushes.

FORBES: SAP: Without Mobile, There Ain't No Real-Time Enterprise