1,397 Clicks
Tech Buzz Two-dimensional barcodes that let you encode secret messages in the form of text, music, voice, logos are becoming increasingly popular in Japan. All you need is a camera phone and some QR software to start using them. They’re like the 2.0 version of secret decoder rings.
qrcode.kaywa.com
whatjapanthinks.com
mobile-weblog.com
maochan.wordpress.com
newmediabytes.com
portal.itproportal.com
Subscribe to BuzzFeed with your favorite news reader or personal page.
Our newsletter is delivered to your inbox once each day with the exact content you want.
Get BuzzFeed on your phone or mobile device. Point your mobile browser to: m.buzzfeed.com
You can also get BuzzFeed via text message by following us on Twitter.
Get all the latest buzz on your Mac or PC with one of our custom dashboard widgets.