Photography is a broad church. It is an art form, it is a tool of the press, it is a form of recreation, it is a business. It is a social record. It is a medium for pornography and it also records family history, sometimes at one and the same time.
It was a relatively niche interest for the first 100 years of its existence and has been a world-changing global phenomenon in the last ten. It is many things to many people, but to me, it is therapy. To explain why I need to give you a bit of backstory.