Some real basic ones that I find many people don't do:

Keep photocopies of your passport, drivers liscence, green card, visas ect... with you. Ok, so you've never lost one YET. I usually keep two copies, one in checked luggage and one in carry-on.

Keep a list of your credit card phone numbers in case they are lost/stolen so you can report them. Or make sure someone at home or in the office has a list of the account numbers AND phone numbers to call to report them lost/stolen. Just make sure that they are accessable to someone.

Make a business card (with your computer) that has important phone numbers on it. These are easy to put into wallets, luggage ect. List your home,office, relatives/ friends names and phone numbers. If the PDA or computer can't be used a low tech business card with all the numbers comes in handy. We made up lots of these and gave them out to relatives and friends. That way if an emergency happens then they can contact each other easily. Also might be handy if there is an emergency and you aren't able to tell who to contact, the emergency worker can just start calling people.

Have your picture and signature put on your credit and debit cards. Most banks and CC do this now.

Always keep some kind of food in your carry-on. Even if it is just a cereal bar. This can be a lifesaver when you're stuck on the runway for an extra hour.
------------------
Always remember you're unique, just like everyone else.

[This message has been edited by MoreMilesPlease (edited 06-03-2003).]