Amazon.com Widgets Now Facebook will let its users decide what to do with its account when they die. The new feature - a marked break in how the site deals with the accounts of those who have passed away.- will allow users to appoint a "Face book heir" who will look after the account and will be allowed to make changes .They will also be able to choose to have their account deleted entirely .The heir will be able to pin posts , respond to new friend request and ...