What an invention! And you don’t need a signal to hail it!

When I touched down at Denver airport, the fun began. As it was, I was getting in quite late and had a 90-minute-plus drive ahead of me to Colorado Springs. Conferences are back! So I was excited about meeting colleagues and the creature comforts of a nice hotel, but I was weary from a long day of travel and the prospect of a long drive ahead.

With rental cars laughably exorbitant, it made no sense to do anything but to catch a ride. More on…