[andreapmd]

DJI nailed the ideal form factor for consumer drones (and maybe for quadcopters in general) when they came up with the original Mavic Pro. Since then they've been experimenting with incrementally smaller form factors to find a price and size where the truly average Joe will decide to get a drone to bring on his holidays, but I'm not sure that decreasing size will unlock a large number of new customers.

On my personal wishlist for future drones are more sophisticated and precise physical controllers with better pressure gradients, and especially the ability to program flight routes to allow mixed human/automated controls – e.g. "Respond to flight controls normally, but when I press this button 1) increase altitude to 90m over the course of 15 seconds 2) rotate camera downwards by 30 degrees over 15 seconds 3) begin rotating aircraft left by 1 degree per second"