I know a lot of actors talk about the importance of wardrobe, and it always seems like it's kind of a cop-out, maybe, because it seems like a minor detail to some people. But I think it's hugely important.
Digital photography is, by definition, unfinished. You don't feel that after every 24 or 36 shots you have to change your film - you know you can go on for ever if you want. You can see the result immediately, and find out if your original idea is worth going on with or not, whether it can be correc