What’s a piece of technology you can’t live without? Or would be too difficult to live without?

I do not want to live without electricity.

Sham Wow

the electric garage door opener. gone are the days when I got my hair wet having to get out of the car to close the door and then again to open it when I arrived home

Internal combustion engine

Electricity

Music player

A computer. i dont know, my life wouldnt exist as itd be something completely different