Will robots ever be better caretakers than humans?

But only one booth had a line. Attendees stood patiently, every so often oohing and aahing over the featured device. Some turned to strangers, remarking, "Isn't this just the cutest?" or "That's just incredible." Others asked when they could purchase their own. Tombot is one of many startups selling robotic companions for senior citizens, offering emotional support, day-to-day assistance, or remote monitoring through artificial intelligence.