With all the noise that Apple is making about having over a billion
apps downloaded from the app store, you would think users everywhere
with iPods and iPhones are downloading apps like there is no tomorrow. However, a report put out by AdMob, one of the leading ad platforms for the iPhone, suggests that this is not the case.
If you are a young-ish iPhone 3G S owner, and you haven't irreversibly
damaged your ears with awesome headphones, you may have noticed your
iPhone emitting an incredibly high-pitched sound after system sounds
like unlocking the phone or text messaging.