Dickens says

Then, does it appear to me that in this age three things are clamorously required of Man in the miscellaneous thoroughfares of the metropolis. Firstly, that he have his boots cleaned. Secondly, that he eat a penny ice. Thirdly, that he get himself photographed. Then do I speculate, What have those seam-worn artists been who stand at the photograph doors in Greek caps, sample in hand, and mysteriously salute the public - the female public with a pressing tenderness - to come in and be 'took'? What did they do with their greasy blandishments, before the era of cheap photography?


Charles Dickens 1860