Nowadays, there is a far easier way to do all that, thanks to technological advancement. The entire process was not only time-consuming but also required spending some money. Then you would print out the document, glue the photo to it and scan it. In the past, the easiest way to go about it was to use the services of a professional photographer to get a high-quality picture of a certain size. If you have ever been asked to attach a photo to a PDF document or form before submitting it online, you know achieving that isn't a simple task.
