Yes when they the little fella's lost their balls and went optical the Mouse Mat became less effective.
More recently the mat has been impact absorbing for heavy duty users and gamers.

You can now pay £160 for a wireless mouse and charging mat if you feel nuts enough.
https://www.overclockers.co.uk/cors...reless-charging-mouse-pad-bu-02u-cs.html

Everyone loves a Morgan. Even me, unless it's broken again.