For the enterprise, Apple first added business email, then decent security, then enterprise device management hooks, and now a B2B app store and soon a decent over-the-air software delivery model.

FORBES: Steve Jobs Is A Market Systems Master

So where should you start in creating your enterprise mobility plan that addresses security, management and other challenges?

FORBES: Time For IT Shops To Get Moving On Enterprise Mobility

Arcsight sells security information and event management (SIEM) software, a subset of enterprise security devoted to logging and analyzing behavior on a corporate network to find and prevent cyber-threats.

FORBES: HP Acquires Arcsight In Ongoing Security Shopping Spree

Finally by making key management a cloud-based service, SED security management for an entire enterprise is available even to the smallest company and organization.

FORBES: Creating Security from the Inside Out

The combination of the two enabled HP, Dell, and Lenovo to introduce tablets that provided the consumer-friendly features of the iPad while allowing enterprise IT to use the same security, provisioning, deployment, management, service, and repair processes and tools as their Windows 7 PCs.

FORBES: The iPad's Uncontested Enterprise Run Is Over

BlackBerry Enterprise Service 10 re-invents RIM's EMM by bringing together device management, industry leading security, and mobile applications management for BlackBerry smartphones, BlackBerry PlayBook tablets, and new BlackBerry 10 smartphones in a consolidated solution.

ENGADGET: BlackBerry Enterprise Service 10 now up for download (video)