In this video, Motley Fool industrials analyst Blake Bos gives us some of his key takeaways from the recent AUVSI Unmanned conference, to show investors what the biggest hurdle is before robotics can advance to the level that's been imagined by Hollywood for decades. He also tells investors what the most important things to follow will be as new innovations come along, picks out some key players for investors' watch lists, and discusses why he personally may stay on the sidelines for now in this tricky industry.

Blake Bos has no position in any stocks mentioned. The Motley Fool recommends iRobot . The Motley Fool owns shares of International Business Machines. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.