Robots need tons of real examples to learn new skills. But right now, getting good training data is slow and expensive. You usually need experts and special gear.

$COBALT changes that. It’s a simple app where anyone can use their regular phone to control robots from anywhere. Just move your phone and the robot follows. Helps collect lots of clean data fast and cheap.

I’ve been following it for a while and it’s one of the more practical ideas I’ve seen for scaling robot learning.