I've been trying out the ' Use the QR code from your cell-phone ' approach for boarding passes for a while now, and at this point am firmly in the It Just Doesn't Work Well camp. Heres a typical sequence from two weeks ago No reception at the airport (Yes ORD - I'm looking at you). Frantic scrambling to connect to Boingo at $14.95, 'cos I'm about 4 minutes from boarding AA app suddenly decides to bork (update last night which apparently didn't sit well with my phone) Phone reboots, QR code not coming up Reboot again. Aha! QR Code up. Hell-light scanner won't read it. TSAs helpful advice " scan it again " doesnt work. Step aside to reboot phone since quitting/relaunching AA app disappears the QR code again. Hell-light definitely not operational. TSA guy moves us all to the other line. Thankfully *not* to the back. Well, you get the point. And the above, while quite bad, was by no means the exception. So, towards this, t...