When the sending and receiving time of mail was measured between cellular phone carriers, it became as shown in right figure. Roughly, it is understood to say reaching within one minute to the other party.

　 It E-mailed to the friend in the United States. The answer came from Japan when having received it from the friend at 16:28 November 22 when transmitting at 9:28 November 23. It will be possible to transmit to the United States in less than one minute.

　 How much it took in mail was examined. It takes to Hokkaido and Okinawa, the second it takes to San Francisco, the eighth it takes to South Korea, and the seventh it seems to take Saudi Arabia about the 12th from Japan (Tokai region).