Innovation and Sharper Image go hand in hand. If you want to get your hands on great savings at Sharper Image, you know Groupon is the way to go. For a limited time, you can pay just $25 for a $50 SharperImage.com credit! Feel free to use it on a digital photo printer, foot massager, giant piano mat, or Pac Man arcade machine. Just be sure to read the fine print as some Groupon offers are available only to select users.