30% Off Green Dresses at RTR; Cassius Eyewear's New App

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FACEBOOK—Until 11:59pm tonight, Rent The Runway delivers your St. Patty's Day Eve shopping fix with 30% off on all green frocks for $75 or more. Enter code FANFRIDAYMINT when you order and thank your lucky leprechauns for this golden deal. [Facebook]

FACEBOOK— Cassius Eyewear's new app lets you try on the brand's entire collection via an iPhone camera, save portraits to your phone, and scroll through the optical and sunglass collections to find the best frames for your face using something called the "retina display screen." In celebration of the app's launch, Cassius invites you to take a photo of yourself in your favorite frames and share it along with when and where you would wear Cassius Eyewear. Post it on their Facebook page for a chance to be one of five who receive a free pair of shades, your choice. [Racked Inbox]