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Re:Show HN: Jet – in-memory, fault-tolerant, distributed str... by jmnicolas on Wednesday August 12, 2020 @08:48AM (#24131500)
Yes my concern is about how casual you sound about tracking millions of GPS locations.

By user consent you mean someone clicked a button without thinking to get to the app ?

Re:Show HN: Jet – in-memory, fault-tolerant, distributed str... by haxen on Wednesday August 12, 2020 @09:09AM (#24131674)
Here are some examples where user consent is undisputed: ride hailing, bicycle rental, street navigation, running/biking/sailing contests, location-sensitive searches. These are the kinds of applications for which Hazelcast Jet offers easy scaling into millions of users.