PART 2 - FOUR HIDDEN CHIMNEYS CHAPTER 8: THE SHIELD OF SCREWTAPE Everything Is a Computer

"Microsoft Exchange ActiveSync push email arrived on the iPhone with the iPhone 2.0 platform in 2008."

Apple introduced Exchange ActiveSync in iPhone 2.0 to provide over-the-air push email, contacts, and calendars, supporting the narrower claim that the original iPhone lacked Exchange-style push email.

View Source