Microsoft scored a big coup in February, when it announced that Nokia, a longtime foe in mobile operating systems, would begin incorporating Microsoft's e-mail push technology into its phones.

FORBES: BlackBerry Jam

The jab comes as Apple announced it will build a slew of business-friendly features for the iPhone and iPod Touch, including support for push e-mail, push calendaring, push contacts, virtual private networks and support for certificates and identities into the next version of its iPhone operating system.

FORBES: IPhone Goes Corporate

The jab comes as Apple (nasdaq: AAPL - news - people ) announced it will build a slew of business-friendly features for the iPhone and iPod Touch, including support for push e-mail, push calendaring, push contacts, virtual private networks and support for certificates and identities into the next version of its iPhone operating system.

FORBES: IPhone Goes Corporate