Thank you for noticing this. :) My original tutorial actually required the user to physically open up multiple tabs and have them be side-by-side. However it w

Thank you for noticing this. :) My original tutorial actually required the user to physically open up multiple tabs and have them be side-by-side. However it was a mess and people didn't like it. So I opted to fake it... while still depending upon the real tech underneath. HOWEVER, it is just running on a freebie heroku box, so it is probably bound to crash/fall-over soon.