The rule originates in Section 3.3.1 of Apple's license agreement, which reads in full:
Tech leaders have since translated that legalese to mean the company has codified its dissatisfaction with Flash into its licensing agreement. As intense debate over the rule reached its peak online, CEO Steve Jobs took to Apple's website to outline six reasons for Apple's ban -- from security holes in the technology to the availability of new Flash features.
"We know from painful experience that letting a third party layer of software come between the platform and the developer ultimately results in sub-standard apps and hinders the enhancement and progress of the platform," Jobs wrote.
"If developers grow dependent on third party development libraries and tools, they can only take advantage of platform enhancements if and when the third party chooses to adopt the new features," he continued. "We cannot be at the mercy of a third party deciding if and when they will make our enhancements available to our developers."