Hopefully, many of you have already read the two-part travail of my tough Tile tracker and what it helped me locate: a Volvo key fob inadvertently “eaten” by my Honda snowblower earlier that same day.

They’re in fobs or on phones, and digital or “smart,” and they can do far more than just open doors and start the engine. By Stephen Williams Call them what you want: digital keys the shape of a ...