Only if you have told it not to display the mouse cursor.

Software versioning does not necessarily follow the decimal system.
It has not gone from "point two one to point two two".
It has gone from "dot twenty one to dot twenty two", which in standard software versioning terms means it is still on the original code base but has had extra features added.

Where I studied LGBT was the Lesbian, Gay, Bisexual, Transexual society. Does this strike anyone as odd?

Power it from your in-car supply and you can use it to signal to other drivers.

Personally I'd use it to send a mirrored message to the car in front:

"Please turn your damn fog-light off. I can see you perfectly clearly when I'm right behind you."