(Pat, thanks for the screenshot of the first-run setup.)

The "Location" screen in the first-run setup presents exactly the same
choice, in the same amount of screen space, as the "Location" screen in
System Settings. <https://wiki.ubuntu.com/Location> On Windows and Mac,
it is standard for wizards/assistants to start a screen with a question,
e.g. "How would you like the phone to detect your location?", where a
non-wizard/assistant UI for the same thing would use an imperative
label, e.g. "Let the phone detect your location:". We might choose to
follow that pattern for our first-run setup. If we did, the first piece
of text would be different from System Settings. But with that possible
exception, I think the controls+text in the two screens should be
identical. In other words, it would not make sense for this bug report
to be resolved one way for System Settings and another way for Unity 8.

(Currently the setup and System Settings screen use an identical intro label, 
but different controls -- radio list vs. checkboxes -- and slightly different 
text. None of this seems to be intentional; it's merely an architectural flaw, 
in that there are two implementations of the UI, which have inevitably drifted 
apart.
<http://bazaar.launchpad.net/~unity-team/unity8/trunk/view/head:/qml/Wizard/Pages/50-location.qml#L58>
<http://bazaar.launchpad.net/~system-settings-touch/ubuntu-system-settings/trunk/view/head:/plugins/security-privacy/Location.qml#L93>)

With that said, I don't see any reason to doubt what I said before, that
"GPS alone is less accurate than GPS + Wi-Fi + cell tower data". Yes,
Ondrej, GPS would be more accurate than *just* Wi-Fi + cell tower data
-- but just Wi-Fi + cell tower data is not one of the options! If you
think it should be, then report that separately.

To put it another way, time can be divided into two periods: before the
phone gets its first GPS fix, and after. Before, GPS-only is infinitely
less accurate, because it has no idea where you are at all. Afterwards,
the two methods are mostly identical, except in places like basements or
Tube stations, where GPS-only is still less accurate.

Given the limited screen space, I still think it's reasonable to have
summarized "infinitely less accurate some of the time, and occasionally
less accurate the rest of the time" as "(less accurate)".

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https://bugs.launchpad.net/bugs/1421623

Title:
  Welcome wizard claims GPS is less accurate than wifi based location

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