Google Places for US businesses, added “two-dimensional barcode - or QR code” that you find on the right side of your business’ dashboard page. “If you have just one business listing, this’s the page you’re automatically taken to when you log in, and for multiple listings, click “View report” to get to this page. “QR code is unique to a business, and allows people with Android-powered and iPhone devices to scan it and be taken directly to mobile version of your Place Page. Once on mobile Place Page, users can find discounts that you may be offering, post Buzz about your place, instantly call your business, or get other basic information about your business,” explains Google. Here’re some usage ideas of QR code as a free marketing tool: Add it to back of business cards lets you add a lot more information, virtually, with your Place Page, and allows you to change information like discounts & real-time updates about your business without changing the card; Add it to marketing materials, such as ‘ad, pamphlet, flyers etc.’; Put it in your window lets customers remember you by scanning the code and saving your business as a personal favorite.