Ff_151_friedman1_t “I’ve been thinking of running for high office on a one-issue platform: I promise, if elected, that within four years America will have cellphone service as good as Ghana’s. If re-elected, I promise that in eight years America will have cellphone service as good as Japan’s, provided Japan agrees not to forge ahead on wireless technology. My campaign bumper sticker: “Can You Hear Me Now?”

I began thinking about this after watching the Japanese use cellphones and laptops to get on the Internet from speeding bullet trains and subways deep underground. But the last straw was when I couldn’t get cellphone service while visiting I.B.M.’s headquarters in Armonk, N.Y.”

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