Scan A Barcode, Find A Library: Bringing The World’s Library Collections To Your Phone September 7, 2010 Ever wonder about those ubiquitous Universal Product barcodes on the back of just about every book? We’ve been scanning UPC barcodes at the grocery checkout Share:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Reddit (Opens in new window)Click to email a link to a friend (Opens in new window)Click to print (Opens in new window)