Following Pamela's links, it appears that Esa's HTTP method within the
spreadsheet is using what Google calls its "Geocoding via HTTP," which
is actually part of the Maps API geocoder.

http://code.google.com/apis/maps/documentation/services.html#Geocoding_Direct

Interestingly, that documentation says this is part of the Maps API,
and requires an API Key.  I presume that the key is not actually being
checked when we execute HTTP request locally for the same reason that
the API Key is never checked when the Javiscript API is executed
locally -- it is not intended for general use, and typically is used
either for dev/debugging or just for populating server-side databases
for eventual use in Google maps.   (You can experiment by submitting
such an HTTP request for a single address directly with output=xml or
output=csv, without bothering with an API key, and will retrieve an
appropriate result.)

But legally, this technique clearly is covered by the terms of the
API.  Which, in addition the the terms I quoted above, imposes
significant other restrictions -- most notably, the output is only
supposed to be used to support a free public website.  So there is no
loophole, and still no free lunch.  The spreadsheet method
incorporating the HTTP form of the API, just as the Javascript form of
the API, cannot legally be used for general geocoding purposes at
all.  Notably, Pamela is careful to remind us of that caveat.

The ambiguities about when a cumulative volume of batch geocoding
begin to violate Googles's terms remain unresolved.


On Nov 2, 11:44 am, Esa <[EMAIL PROTECTED]> wrote:
> I found the blog 
> posthttp://googlemapsapi.blogspot.com/2007/09/enhanced-map-tiles-for-50-c...
>
> I honestly thought that was a new idea. Your page doesn't even get any
> 620 responses! The XML request seems to be better for the purpose.
>
> Hope you enjoy ho chi minh city,
>
> Esa
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