Flickr is one of the most popular photo sharing websites on the internet. It's founder has gone onto create a workplace communication company called Slack and the new owner is Yahoo! The popular photo sharing site allows you to post photos and share them with the public. There are instances however where you have posted photos that you no longer want to have the public seeing and yet you've lost your old username and password. It may be that you have an attacker or a crazy ex-girlfriend or boyfriend who is showcasing bad photos and you have no idea how to stop it. Whatever