Best Buy Mobile has announced that anyone who purchased an iPhone 4 or buys the smartphone going into the future from Best Buy will be eligible for a free Zagg Side Shield for the smartphone. Zagg is the maker of the invisibleSHIELD protective films for many products including the iPhone.
The thin films are invisible and add no bulk to your device. Best Buy and Zagg claim that the Side Shield film will prevent any antenna issues that occur when skin contacts the antenna of the iPhone 4.
The Side Shield costs $9.99 and Best Buy will install the film free for that price. If you purchase the iPhone 4 or already have a device you purchased from Best Buy the film and install are free. DIY types can order the film directly from Zagg.