You can just use a 128-bit random string as a group key. That's how "private" ph... | Hacker News

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gohrt on July 15, 2013 | parent | context | favorite | on: Show HN: I made a simple persistent counting API

You can just use a 128-bit random string as a group key. That's how "private" photos are implemented on most photo sites, for example.

dustyreagan on July 16, 2013 [–]

I think that's the way to go for the public URLs. I'm going to leave it up to the user to come up with a unique group name though.

benoits on July 16, 2013 | [–]

I like the flexibility, but I would suggest you add a "generate GUID" button when choosing the group name in case the user does want a random URL, which seems quite likely.

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