QR codes - find the code, follow the link, and find out

QR code stickers direct mobile phone users to content that may interest them.
Libraries are starting to use them to provide information, link to the library catalogue, book reviews, maps, event notifications etc.
QR codes can be quickly generated using goo.gl
Put in a link, click shorten link, add qr to the link then hit enter to generate your own QR code.

If these directions are a little unclear, see the explanation video here. 

Here's 2 codes to try out....