| http://www.w3.org/ns/prov#value | - While in the past a traveler was forced to locate an available landline phone and then make an expensive long distance telephone call, the modern mobile device user is able to ???roam??? on foreign networks and to use a mobile device at any time to stay in contact with family and friends.Modern technology also provides new communication formats to keep in touch, such as video conferencing, electro
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