Recently I've been practicing taking some candid b&w shots and I have been really pleased at the results. I would like to post some here, but...
As a linguist, I have to be very careful about the audio/video data I collect and use. The rules of academia are extremely strict when it comes to publicly showing data when it could reveal a person's identity. This is always true even if the subject is in a public place, because they are treated as human subjects in an experiment. Because of my linguistics background I find that I generally avoid shooting people unless they know me or know in advance that I will be taking their photo. Unfortunately I have lost a lot of great photo opportunities because of my reluctance to shoot.
So far most of the subjects I've captured have been acquaintances, so I could easily ask their permission to display them, but what do you do when it's someone you don't know? I see many pictures here of children, adults, people in foreign countries etc going about their daily lives, and I want to ask them, "how do you feel about your photo appearing here?"
When/before you take photos of people on the street, do you or should you ask their permission? Do you or should you ask the subject permission to "publish" the images on the web?
Advice/experiences are appreciated.
Neill