Free QR Generator

URL shortening websites are not only popular on sites like Twitter (due to the 140 character limit), but also in the classroom.  I frequently use URL shortening sites (tinyurl.com and http://bit.ly/) to help guide students directly to websites.  When you use Google to shorten a URL (http://goo.gl/), click "Details" to get a QR code.  QR codes are growing in popularity.  QR (Quick Response) codes can be scanned with smartphones and take users directly to a linked website.  Here is the QR code for http://mrfarbersroom.blogspot.com/: