Here's an interesting reason why so many (around 9 percent, according to the most recent data) iPad and iPhone owners don't use apps as often as you might think: one bad experience usually ruins the whole setup for them. That's according to a new survey done by Harris Interactive, which found that 38 percent of mobile app using adults polled were actually dissatisfied with "most" of the apps they'd used. And 69 percent said that using an app they didn't like actually colored their perception of that brand entirely. Thirteen percent said that any bad app hindered them from even downloading other apps. You can probably imagine a user p