What robotics’ biggest raises tell us about the industry’s future

I visited Boston last week and met with a number of robotics researchers, startups and established companies — more on that later — in the lead up to TechCrunch’s fourth annual TC Sessions Robotics + AI in early March. A big part of prepping for that event and my recent trip involved surveying some of the biggest funding raises from the past year.A quick survey of these trends finds most investments concentrated in a handful of key categories. From there, we can get a pretty cl