Before now, only Android users were able to take advantage of free turn-by-turn navigation from their phone.iPhone users, now its your turn.Through its official blog, MapQuest announced yesterday the inclusion of voice guidance in the latest version of its free iPhone app.In the post, MapQuest principal product manager Michael Iams describes a trip he took from his Las Vegas hotel to the airport with help from the new application. Basically, users search for the location they are interested in then...
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