For example, when Coca-Cola was marketing their line of Vitaminwater by promising the stuff would "boost your immune system" and "help fight free radicals," someone pointed out that the stuff was effectively sugar water. Coke responded that they were completely shocked that anyone thought their drink was healthy, or in their words: "No consumer could reasonably be misled into thinking that Vitaminwater is a healthy beverage."
In their defense, it never occurred to them that any of their customers could read.
But even if you can make that argument with a product that, to be fair, is basically Kool-Aid, how can you say the same when marketing a product specifically touting never-before-seen capabilities? Like, say, a fancy new phone where your entire campaign is based on all of the things it can do that your old phone can't? You know, like when Apple was advertising their iPhone 3G as, "Twice as fast. Half the price."
Welp, no misreading that.