Have you met the new Groupon Coupons Chrome Extension? It's a handy little tool that alerts you to coupons, sales, and discount codes while you shop online. When you visit sites like American Apparel and Warby Parker, for example, a notification will appear with any coupon codes or offers they're currently running on Groupon Coupons. Just click the coupon to activate the sale or get the code. The extension is free, so download it now through your Google Chrome web browser and start saving!