Much has been written in the press about challenges people are facing signing up to get a COVID-19 vaccine. The cost of the current system to seniors and their families in terms of anxiety, frustration, and hours of wasted time is significant and unconscionable. Thinking about the problem from a user-centered design perspective makes the root of the problem and potential solutions clear. Having to first pick a site and then search for slots within it is backwards. Every senior I know wants a shot, as soon as possible. They don't care where, as long as the location is accessible to them and at a time they can get there. A central online site should be created where eligible people could indicate their desire for a shot, specify their availability (days and times) and acceptable locations (either in general, e.g. a 10-mile radius, or by checking off specific sites they could get to) and possibly how much advance notice they would need. The system would notify them (and op...