Hyatt Hotels & Resorts announced plans to <A HREF="http://zdnet.com.com/2100-1103_2-5225637.html?tag=zdnn.alert">provide wireless Internet service</A> at most of its properties in the United States. The service, to be powered by T-Mobile, will be accessible from the lobbies and other public areas at most Hyatt hotels, as well as in some guest rooms.