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Jan Rheinleft a comment
I really like the idea and tested it with an old gmail account I ditched some years ago. It found about 50 accounts and I selected nearly all of them. But then I realised it doesn't do anything automatically. It just provides you a to-do list with links to the services' account deletion page. It is a nice start to know where you still have all your old accounts but still there is too much...

Deseat.meDelete yourself from the internet
