If you use the FaceBook owned service Instagram, to share your photographs, then you really need to read this article from the BBC to see what may happen to your photos in the future.
BBC News – Instagram seeks right to sell access to photos to advertisers.
Watch out for this quote in the article – remember Facebook is a business not a public service.
Facebook’s vice-president of global marketing solutions Carolyn Everson earlier this month had said: “Eventually we’ll figure out a way to monetise Instagram.”