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A comment on Show HN: Branch – Mobile links that pass data through install and open. Parent comment

Re:Show HN: Branch – Mobile links that pass data through ins... by rpicard on Tuesday September 23, 2014 @08:25PM (#8359220)
Wouldn't the chance get higher and higher as the service expands? It seems as though there would be more existing fingerprints that might collide.
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Re:Show HN: Branch – Mobile links that pass data through ins... by dmitrig01 on Tuesday September 23, 2014 @09:00PM (#8359345)
Dmitri from Branch here. When a user has already had a fingerprint matched once, we can do future matches with much higher certainty, so as more and more users click links and are matched, the chance decreases.

Additionally, as Alex said, though most uses of the links don't require a 100% match rate ("any growth is good"), we do have an option for links which require a 100% match.

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