We recently took a trip to Logitech's headquarters in Switzerland to learn more about how the company designs its products. Senior engineer François Morier took the time to explain the considerations that designers must make when creating mouse products.
Morier goes in depth technically how sensors work, DPI count and calculations, why higher DPI isn't necessarily better, angle error, resolution vs. speed error (acceleration), ripple (jitter), dropouts, pixel walk, and circle drift.
If you've ever wondered why your mouse behaves (or misbehaves) the way it does, then you'll want to pay attention to this video below: