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Data traffic needs a lot of energy and therefore data deletion will become a green planet issue: automated erasure of out-of-date-content and deletion of accounts. In 100 years, our most widely read blogs will not exist anymore. We have to decide today what our grandchildren will know about their roots – and take adequate precautions

Martin Kunze is an artist and the initiator of MOM (memory of mankind)

This talk was given at a TEDx event using the TED conference format but independently organized by a local community. Learn more at