After Gioia had her first child with her then husband, he installed baby monitors throughout their Massachusetts home-to watch what we were doing," she says, while he went to work. She'd turn them off; he'd get angry. By the time their third child turned seven, Gioia and her husband had divorced, but he still found...

This is today's edition ofThe Download,our weekday newsletter that provides a daily dose of what's going on in the world of technology. Why it's so hard to stop tech-facilitated abuse After Gioia had her first child with her then husband, he installed baby monitors throughout their home-to watch what we were doing," she says, while...