These are awesome as well. Dev also has a channel to talk about what the plugins are and how they work.
I had to buy a left-handed sushi knife. It cost 50% more than the right-handed version so I'm kinda mad about it but I love that I have a knife I only allow left-handed people to use.
I get that adding a QR code adds a tracking/metrics component to an organizations resources but as a user it pisses me off. Just put a human-readable URL there so I know what to do. I can remember www.poblanopete.com easier than I scan and load a page on my phone.
My town has a poster downtown that says "Scan here to see a map of this downtown area". WTF? Why not just put a fucking map there with an arrow that says "You are here?". It at least makes me laugh every time I see it.
Damn! I was going to say American Pie but I think you've got the better answer but I don't want to hear either of these songs ever again.