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"Google today announced a new Google Now feature: setting and referring to relationships for your Android contacts. Instead of scrolling through your contacts, or referring to them by ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/google/2014/02/11/googles-voice-search-android-now-lets-set-refer-relationships-contacts/?_escaped_fragment_=vuN5O>