If you want to watch these in High Definition (you can see what’s happening a lot easier) please right click the video and select the option to watch on YouTube. Then once there, select to watch in HD (it’s the option at the bottom saying 360p or 480p. You want to select the highest number available).
When I started out with playing guitar, I quickly realised that if you wanted great guitar tone, then stock pickups on anything but top model guitars were a weak link. I also struggled to find much information on specific pickups, and therefore deciding what pickups I should buy for my guitar was a hard choice.