Article Photos: New York expands subway Wi-Fi service 1/3

In this photo provided by Transit Wireless, Canadian Crooner Michael Buble, center, and the acappella group Naturally 7 perform a song from Buble's just released album "To Be Loved" In this photo provided by Transit Wireless, Michael Buble, center, and the acappella group Naturally 7 perform a song from Buble's just released album "To Be Loved" Thursday April 25, 2013 at an underground subway station in New York.  The performance was to promote public awareness of the availability of wireless and Wi-Fi in underground New York City subway stations. Cell phone service and free Wi-Fi have arrived at another 30 New York City subway stations.The Metropolitan Transportation Authority announced the expansion Thursday of a program that started with six stations in 2011.(AP Photo/Transit Wireless, Tina Fineberg)