Overspray On Windows

My friends father ran a body shop. His glass cleaning technique was 0000 steel wool and rubbing alcohol (which is like liquid gold today). He scrubbed the windows with steel wool and rubbing alcohol, then took newspaper (yes newspaper) soaked in hot water and scrubbed the glass. Glass wax and a buff and the results were fantastic. I've had good results using Griots glass polish as a final step as glass wax seems to thick to work with for me.