user tells their location

what are applications where user reveals their location to the public

foursquare.com
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rgb192Asked:
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Ray PaseurConnect With a Mentor Commented:
There is an HTML5 tag that reveals location information.  Go to this page to see it in action.
http://locationdetection.mobi/

I can't vouch for the sanity of the author, but the technical advice is correct.  However you may want to be aware that the geolocation services will find the internet point of presence and this is not necessarily exactly the same as the client's location.  In my case, the internet pop is about two miles from my office, far enough away to give potentially misleading information.  To give you an example, have a look at this page.  We have thousands of visitors, but only a handful of reported client locations.  That is because I keep the Lat/Lon pair for the IP address, as reported by Geoio.
http://www.landonbaseball.com/site_visitors.php

The more accurate version of geolocation, such as from FourSquare comes from an application that knows its exact location at the time of execution.  An organization or store might geolocate its store with very high accuracy (perhaps using Google or Yahoo geolocation services).  This geolocation could be translated into a URL that looked something like this:
http://path/to/site?g=38.934277,-77.17748

When a client visits that URL, she transmits the exact geocode (Lat/Lon pair).  A convenient way to accomplish this might be to put a QR code on the front door.  Clients who scan the QR code automatically visit the web site.  If they're new to the site, the site assigns a cookie.  If they're known to the site (because of a cookie) the site just records their presence at the address.

HTH, ~Ray
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rgb192Author Commented:
thanks
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