If you would like to read more words about it, you can go to the CPL website, but in a nutshell, there are free apps that you can install on your smartphone that will allow you to use a high-res image of your library card to be scanned at the checkout desk. Key Ring and Cardstar work with iPhone, Android, BlackBerry and Windows devices.
Questions? Don't be shy about finding a librarian to help you out! 'Cause when you've got your library card, you're happy, we're happy, everyone is very very happy.