Years ago he called lidar a crutch... And I agree, it is. Clearly it is theoretically possible without. But when you can't walk at all, a crutch might be ju

Years ago he called lidar a crutch... And I agree, it is. Clearly it is theoretically possible without. But when you can't walk at all, a crutch might be just what you need to get going before you can do it without the crutch!