Everyone focuses on Gmail 2-factor, but that should be added as an option for any online service. It's trivial for any web developer to use the Google Authentic

Everyone focuses on Gmail 2-factor, but that should be added as an option for any online service. It's trivial for any web developer to use the Google Authenticator to offer 2-factor auth for your own service in just a few minutes. I made a demo a while back in less than an hour, all open source. http://dendory.net/twofactors http://dendory.net/twofactors