hmm, I would say the internet… but I will say computers in general are a HUGE bonus for this era. We can easily make nice ads of all kinds, keep track of customers and learn more about our industry. All with a little tv and a keyboard.
I have been in the service business 20+ years definitely [B]The Internet[/B]
The day I got into window cleaning I got sold [B]all[/B] the latest gizzmo’s and gadgets the janitors supply store had to offer (most of them I never used LOL)
The most talked about gizzmo at the time was a squeegee that you could put on a pole (total piece of junk LOL)
WFP use to much water for us to use at the moment DROUGHT