Interesting article regarding a push to establish right to privacy when photographing in public places.
http://theconversation.com/is-it-ok-for-people-to-take-pictures-of-you-in-public-and-publish-them-27098
While written in an AU context the article mentions that UK, Canada and NZ have already passed such laws.
I haven't formed a view yet as both sides of the argument have some validity.
My hope is that any laws passed on this topic are sensible and balanced. An ultimate unbalanced law would mean that much photography in public places would be illegal unless model r