@shannonmmiller @web20classroom @poh @bhsprincipal I have a lot to learn about QR codes. I worry about not enough critical mass having app
In reply to https://twitter.com/shannonmmiller/status/146985181088190464
@shannonmmiller @web20classroom @poh @bhsprincipal I have a lot to learn about QR codes. I worry about not enough critical mass having app
By Greg McVerry · Permalink · Original tweet
