I stood in line at a grocery store recently where the POS terminal failed and they started letting through people who could pay in cash. When they announced tha

I stood in line at a grocery store recently where the POS terminal failed and they started letting through people who could pay in cash. When they announced that, a hipster-looking guy in front of me commented "who uses cash in 2016?" or similar, to which my silent answer was to pass him and pay for my groceries w/ cash. Doesn't happen very often though.