I’ll note that, at least on my Samsung phone, the reporting bit is opt-in (i.e. 
if you turn on wifi-aided geolocation you agree to contribute back).  Of 
course, GPS is slow, so most people take the trade.

Do we have a model of how many opt-ins (absolute number) we’d need to have in a 
given area to deliver solid results?  Saying “we need way more” isn’t really 
enough to define/target success.  It’s also worth noting that purely 
percentage-based opt-ins won’t be as relevant (i.e. a lot of Toronto and the 
Bay Area is well-mapped already).

If we want to get more data from less-covered areas, it’s potentially a very 
different call to action: publish a set of bounding boxes where we need more 
coverage, when we fulfil a location request, check to see if the user is in a 
less-covered area.  If they are, the ask can then be framed “Mozilla is 
building a privacy-respecting location service, and we need your help to make 
it awesome in your area!”  It’s a more specific ask, and I’d suspect the more 
personal contribution aspect would help opt-in rates.

Semi-related: have we considered enabling a similar feature in desktop builds?  
It obviously wouldn’t be as good for the “in-between” spaces, but it’d still 
get us more data than we have now.

— Mike

On Jun 12, 2014, at 10:18 AM, Garvan Keeley <[email protected]> wrote:

> Also worth mentioning, is that MLS stumbling requires way higher levels of 
> opt-in than other forms of data reporting. Other forms can be successful with 
> much smaller numbers of samples, and the interpretation of their collected 
> data allows extrapolation/generalization to a larger population. 
> We need WAY higher opt-in numbers for success. Google and Apple (and 
> Microsoft) don't give users a choice and automatically stumble. We will never 
> do that of course.
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> mobile-firefox-dev mailing list
> [email protected]
> https://mail.mozilla.org/listinfo/mobile-firefox-dev

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