Traveling with my iPhone (and MacBook Pro) in Japan

I've just returned from my 16-day trip to Japan. I travelled from Tokyo to Kyoto and further west all the way to Hiroshima. With me throughout these adventures were my iPhone and MacBook Pro. Originally, I had planned to take only my iPhone, leaving my MacBook Pro at home. I ultimately changed my mind, primarily after assessing the restrictions and costs associated with using my iPhone overseas. This decision turned out to be a wise one, but for a reason I had not anticipated.

Check It Out: Traveling with my iPhone (and MacBook Pro) in Japan