Yahoo inadvertently deleted a wrong account – and 4,000 odd photos – and seem unable to retrieve them. It is not the actual photos that is the problem for the account holder, he wisely had the photos backed up on his computer, it is the fact that he has lost the links from other people to his work. And the response from Yahoo? Flickr Accidentally Deletes a User’s 4,000 Photos and Can’t Get Them Back