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I hope this will give rise to some replacement services; Latitude was actually pretty useful. I'm still wondering why they didn't implement "asking" for locations via push? That would save a lot of battery compared to updating in intervals and would be a lot more accurate.

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They sort of did - they had a "request check-in" function. It never worked very well.

They also had an accelerated and supposedly more accurate tracking option on demand (i.e. I could request my wife's location to be updated "in real time"). That never worked very well and was removed.

That's strange — I've always had the impression that the battery usage of GPS was the main obstacle for location tracking services, so that any way to sidestep expensive polling would be a greatly welcomed remedy. I can't imagine that this would be technically impossible.

Latitude is just being merged into G+. I can't see any features that are being killed.

I haven't used G+' location features a lot so far, but if they are anything like Facebook's, they certainly don't replace Latitude. This comment (https://news.ycombinator.com/item?id=6019298) seems to affirm this.

Moving to g+ is the same as killing.

Its the same with sites that only have a Facebook login. Goodbye.

I don't think you can track your location history with G+.

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