How to get laid (courtesy of Techcrunch)

Usually synonymous with mass production, the quick response (QR) bar code was originally created by Japanese company Denso-Wave to keep inventory. However, because QR codes allow for more data than the standard 10-digit bar code, and because scanning requires less effort than typing a URL, the QR has taken a turn for the personal...

...there are a ton of potential uses for it. You can proactively provide speed dates with background info, fundraise on-site during charity events, or simply advertise.