Last year I traveled to Seattle to work with a wonderful group of engineers, spending several days in a windowless room facilitating a complex but interesting solution. On one of those days, my back muscles had apparently had enough; by the end of the day they were in full-on spasm mode. Before heading back to the hotel, I sat in my rental car and called every massage place I could find within a 30-mile radius, but there were no openings. This was a problem. Once I was back in my hotel roo [...]