Three Ways to Use QR Codes for BusinessThese small companies turned the now-ubiquitous QR code into a new sales machine.

Acceptance of quick-response (QR) codes--those square bar codes that connect consumers to a website, video or special offer--is increasing at a rapid clip. Digital market research firm comScore found that roughly 20.1 million people scannedQR codeswith their phones in a three-month average period ending October 2011, vs. 14 million in June 2011. As the technology grows more popular--and websites such asDelivr.com,qrcode.kaywa.comandQRStuff.com方便甚至小企业主onboard by generating QR codes for free--placement and functionality of the technology is getting more creative. Here's how a few 'treps are putting them to use.

Scans into leads
When WebiMax, a Mount Laurel, N.J.-based search engine optimization firm, placed its first QR code on a banner at the 2011 Search Marketing Expo in New York, company founder Ken Wisnefski was impressed that it was scanned by 250 people. That led him to refine his QR strategy to track people who arrived at the company's website via seminars, trade shows or marketing materials. WebiMax has also embedded its e-mail within the code, so scanners can immediately contact the sales department.