A discount coupon is usually something that can be exchanged for financial benefit, it usually comes in the form of some sort of ticket-like document and can be used for rebates when shopping. Mostly company's offer coupons to be used at retailers stores as a form of marketing and promotion to generate buzz about a product. Coupons are usually spread via newspapers, magazines, somewhere on the actual product itself or via social media including social networking website Facebook and micro-blogging platform Twitter.