[MetalMASK]

I am somewhat doubtful about gyroscope replacing GPS. If it can actually happen, it will require, as noted by others, re-tuned/tweaked/calibrated/adjusted every day/week to void accumulated error/noise.

Keep in mind that as precise as gyroscope can get, they could be susceptible to shock (if you drop it on the ground).

But I am interested in seeing how it could develop into