I was at a conference sponsored by a large high-tech firm, and because they were a high-tech firm, they were going to be fancy and high-tech and put QR codes on everyone's namebadge with their contact info. In theory, you would scan the QR code with your smartphone and download their info directly and this would make networking more efficient. In practice it was a pain in the ass. I got tired of aiming my phone at someone's badge and trying to keep everyone physically still enough for it to work. And it was a huge interruption in the flow of the conversations I was having. And then there was the afternoon my phone battery … [Read more...]