Shhhhh! Don’t tell anyone but SEO tools are great for market research and completely free | Search Engine Watch
SEO isn’t anything new, there are very few people involved in marketing who don’t have some appreciation of how you might need to make an active effort to
globaleyeimages’s insight:
This one is a good read for any new photographers wanting to get a better feel for their personal markets… using free SEO tools to research likely buyers, their interests, habits etc.