

QR Codes stands for quick response, these are fun little images that contain informatio and read by any mobile phone that has a camera with the use of code readers.
Any bussiness!
If your a restaurant you can have a copoun discount when dining next
Free garlic bread with your next pizza order
Free rice with your dining in order
Realestate can have a video url so that if someone liked the oustside of the house then they can scan the QR Code on the sign and see a video of the inside of the house!
Churches use them to annouce various services or special events etc.
QR Codes can contain your opening hours or your latest specials
TV programs/ confrences/ lectures can say
what is coming next (have seen this lots of times when watching tv where they show the QR Code and say "see a sneak preview" I sure scanned and looked!)
QR Codes can be put any where! For example; Business cards
Back stage passes
Brochures
TV adverts
Bilboard and signs
On products
Websites
In fact
any where you can upload images or items you get printed!
They can be discount coupons

They can be contact details

They can be urls

They can show videos 

Usefull links for QR Code Readers you can download to your mobile.
http://www.qrdvark.com/
http://www.i-nigma.com/Downloadi-nigmaReader.html
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