Idempotency

In the year 2112, technology has advanced and immortality is nearly achieved--at least for those who can afford it. Those born before the stemgineering revolution, or TrueElderly, soon discover the problems of advanced age. This is just the beginning, as an avalanche of new problems is waiting on humanity's doorstep. For enthusiastic salesman Dylan Dansby, selling an innovative new product to combat these problems could be a career defining opportunity--but Dylan's selling a product he doesn't believe in, and one that might just work a little too well . . .