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A comment on Show HN: This page exists only if someone is looking at it. Parent comment

Re:Show HN: This page exists only if someone is looking at it by shocks on Tuesday May 12, 2015 @11:28AM (#9532462)
This is a really cool idea.
[ Parent | on HN ]
Re:Show HN: This page exists only if someone is looking at it by zardeh on Tuesday May 12, 2015 @07:49PM (#9535787)
Implement it as a merkle tree so that you can reference parents and know it will only evolve forward.
[ Parent | on HN ]