The way your keyboard deteriorates, including but not limited to shiny or worn-out keys, loose stabilizers, and even dust ...
Considering the usage of the Shift Lock key, it was replicated on computer keyboards as well, although it was renamed to Caps ...
If Google Docs feels slow or pages aren't loading, I recommend clearing out your browser cache. A quick shortcut to open the deletion menu is Ctrl + Shift + Delete on Windows and Cmd + Shift + Delete ...