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"Android users have had access to Google's Field Trip for several months now, but the location-discovery app is just making its way to iOS now. The service runs in the background on your smartphone, alerting you when you're near a historic spot or Zagat-recommended restaurant, for instance. In addition to helping you discover new POIs, the app can act as a tour guide with audio read-outs about nearby places, and you have the option of posting newfound locales to Google+, Facebook and Twitter. Click through to the source link to give the free download a whirl on your iPhone or iPod."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.engadget.com/2013/03/07/google-field-trip-comes-to-ios/>