According to a patent, Apple is hoping to move the iPhone's antenna behind the Apple logo. This could potentially solve the attenuation problem that has plagued the iPhone 4.
Everyone's trying to fix the iPhone 4's attenuation problem! Best Buy is reportedly giving away free invisibleSHIELDs to any unhappy iPhone 4 owner. Meaning you didn't even have to buy your iPhone 4 from Best Buy to take advantage. UPDATED