She stopped responding to him, she said, even though he texted and called her hundreds of times.
Ms. Dowdall, 59, started occasionally seeing a strange new message on the display in her Mercedes, about a location-based service called “mbrace.” The second time it happened, she took a photograph and searched for the name online.
“I realized, oh my God, that’s him tracking me,” Ms. Dowdall said.
I would immediately break something like that. I wish I had that kind of time/expertise.