AAPL hates Adobe (Steve Jobs--they're lazy) and Flash support doesn't exist on the iPhone. Thus, a lot of stuff/content on the Internet can't be accessed by the iPhone browser, or for that matter, by the iPad.
But AAPL's PR department seems to forget that.
Here's Steve Jobs at the live demo, accessing the front page of the NYT, showing you how it actually looks.
And what you see on an iPhone.
It's Apple's flash in the iPad photoshop!