Hmm, looking into how model releases work, it would appear that the onus is on Flickr (the publisher) to have model releases for photos.
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
Hmm, looking into how model releases work, it would appear that the onus is on Flickr (the publisher) to have model releases for photos.