If an issue is not bothering more than 10% of your userbase than its not a
bug worth chasing.
On Dec 19, 2012 11:53 AM, "John Coryat" <[email protected]> wrote:

> Recently, I got a complaint letter from a user of our weather category app
> RadarNow! regarding our new NWS Alert feature. This feature sends out NWS
> Alerts based on the user's location. RadarNow! notifies the backend its
> location and the backend reverse geocodes that location into a state and
> county. NWS Alerts are issued by the county.
>
> The user's complaint was that he and his wife, both with identical phones,
> were receiving different alerts. In theory, they should be receiving the
> same as they are in the same location and again, in theory, the same county.
>
> After some investigation, the issue turned out to be due to the accuracy
> of the Network Location feature in Android. Both users had accuracies of
> over 2,500 meters. Normally this wouldn't be a problem but they also lived
> in a border area and one that's rural. Rural areas have more errors in
> location that highly populated ones.
>
> The fixes must have been based on different cell towers and because
> they're right on the border of Nevada and Arizona, that calculated out to
> one user being in Arizona and the other in Nevada. Naturally, that meant to
> RadarNow!'s backend that they were in different counties so different sets
> of alerts were sent to each of them.
>
> Is this a feature or a bug?
>
> There's always a trade off between accuracy and latency in regard to
> location fixes. For the radar display, 2500 meters is acceptable  For
> most users, that would be the case as well. For these people, it wasn't. So
> in a way, it's a bug in that it allowed the backend to calculate them
> incorrectly into different counties.
>
> On the other hand, it's a feature in that we take the fastest possible fix
> and avoid GPS to improve response time and decrease battery usage. GPS is
> only used when Network location isn't available.
>
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