Although Apple's iPhone may be feature-packed and great to use, it, like every other product, has limitations. And that's why we're putting it through our Ten Things You Should Know buyer's guide series so new buyers and people who don't live and breathe the iPhone (your parents, your co-workers, or your wife) can be just as well informed as you. Here are the Ten Things You Should Know Before You Buy an iPhone.
1) Not all iPod Accessories and headphones will work with the iPhone: Unless your accessory specifically claims that it works with the iPhone, you're going to have mixed results when you plug in. Some work (but prompt you to turn on Airplane mode), some don't. So far our test show good results.