50% Off Almost Everything Sitewide at ZAGG with code SHOWSP09 at checkout. Valid through 1/19. You also get free shipping. ZAGG sells a protective membrane called invisibleSHIELD that protects electronic devices. For an example of the purpose it serves, take a look of this video demo. Note that this coupon does not work in the Inventory Blowout section but appears to work on everything else. Here is a screenshot for your reference.
Originally posted earlier, this is a friendly reminder that 1/19 is the last day this discount is available.