Just to make sure you're aware, as far as we know every single pixel 5a produced is defective and can die randomly at any point. Make sure you are constantly taking backups of anything important on your phone and make sure you have a backup phone of some sort just in case.

I should probably start proofreading my will

test

Pebbles absolutely did not use an e-ink display, if it did anything with motion would be unusable. The Pebble used a transflective memory LCD made by Sharp, which is why the watches have a refresh rate greater than like 2 hz, and allowed it to still get good battery life with an LCD.

One of the main differences was the Trilobite mainly relied on ultrasonic sensors to navigate, with bumper sensors only for if the sensors missed an object. The Roomba on the other hand navigated mainly with the bump sensors on the front, while also using basic ir sensors to detect cliffs and perform basic wall following.