If you've been to an Apple Store recently, you're probably familiar with EasyPay -- Apple's not-always-so-easy handheld checkout system that enables employees to process transactions on the floor, sending a receipt to your inbox. Well the latest Apple Store iOS app eliminates the middleman -- those t-shirt and jeans-sporting retail employees -- letting you process the transaction on your own iPhone 4 or 4S, completely eliminating any need for human interaction. The tool is currently limited to accessories, so
