The $899 tabletop companion could turn a greeting into an event. Its company discovered how much harder it was to turn affection into a lasting business.

At 19, Jacob Boyle was carrying military-grade robots into a college dorm. Today, the engineer behind MARCo Health is testing a more human question: what happens when a machine is designed to listen first?

The Andromeda founder started with a student-built robot that could ask about her day. Now she is scaling a company around a harder engineering problem: creating machines people actually want in the room.