<p>FWIW, the location information FB are using seems to be "whatever they've currently got on file".  For example the location of this pub:</p>

<p><a href="https://www.facebook.com/yorkshirepuddinghk?fref=ts">https://www.facebook.com/yorkshirepuddinghk?fref=ts</a></p>

<p>is off to the northwest of the actual location:</p>

<p><a href="http://www.openstreetmap.org/node/1106670852">http://www.openstreetmap.org/node/1106670852</a></p>

<p>Presumably it's the group head office location - it looks like they own a bunch of businesses around there.  In this case "fixthemap" or an OSM note isn't appropriate, because our location's correct; it's the FB address that's "wrong" (in that it's a delivery address rather than one useful for customers).</p>

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