For nearly six years a Texan named Steve Kropla has been providing travelers with help on coping with technology on the road. The site specifies what you'll need to make your modem work and power up your computer in almost any country. It tells where to get whatever you need. A world electric guide provides information on plugs and power. The directory is available to members only.
Membership is free, but donations are welcome.
You can sign up online. You may prefer a taxi or car service to get around town, but if traffic is heavy, only the subway may get you to your appointments on time. So here it is, details on subways around the world, from Amsterdam to Yokohama. Before going abroad, however, check with your bank to be sure your PIN number will be valid there. If you know what sites do what, your computer and personal digital assistant will cope with the rest.