"Twelve Cupcakes with a Choice of Flavours and Designs for £6.50 from Need a Cake. Value £26."
That is what Rachel Brown, 50, posted to Groupon UK, an international branch of the daily deals giant, in the hope of attracting new customers to her online-order bakery. Selling her hand-designed cupcakes at a 75 percent discount was going to cost her £2.50 ($3.90) a box. But that seemed like a small price for a lot of exposure.