I have used one too. Gosh don't i sound a professional! (puff out chest and strutt about)
I went to the Malverns (Express Cleaning Services) and 'used' one.
Very nice it was too
yes but you didnt realise if you spent BIG you would now be employing 20 blokes and have your area covered
oh hang on, ewan used 1 aswell, i guess he didnt realise either