nick goldfarb is a filmmaker who uses the qr codes on his business cards. >> i get a lot of wows, andhat's cool, and how does it work. that's sort of exactly the reason why we went this way, was you always want to have people remember you. >> melissa brown is a real estate agent who uses them on her flyers and signs to give potential customers information on the spot. >> a little code goes directly to my website. and i have it programmed so that photos of the house, and information of the house is readily available. instantaneous. >> david, who's in a band, wanted a faster way to market his music. >> wlefr we go to shows i'm always getting asked, have you got this, have you got that? take out your phone, scan it. it's the app for it. it takes two seconds. >> qr codes really represent the shortest distance between curiosity and content. it's simply easier to whoever your phone over a code than it is to thumb-type in a url. >> want more information about qr codes? scan our special "your business" code to learn more. >>> so, how important is it for your business to jump on that qr code b