Why would you care? Well, almost anything can scan QR Codes nowadays. Simple add
.png to the end of your shortened URL and you’ll
get a nice QR Code that you can print or embed on somewhere on the web. Give it a try: http://aj.gs/2Y.png
Simply scan the image and it will yield your short URL, ready for use.
Updating your current Firefly installation is easy, simply run
gem install firefly -v1.1.0 and restart your server.