"Last year, I wrote about the increasing propensity for governments, including the U.S. and Great Britain, to search the contents of people's laptops at customs. ... Companies and individuals have dealt with this problem in several ways, from keeping sensitive data off laptops traveling internationally, to storing the data -- encrypted, of course -- on websites and then downloading it at the destination. I have never liked either solution. ...
"There's another solution, one that works with whole-disk encryption products like PGP Disk (I'm on PGP's advisory board), TrueCrypt, and BitLocker: Encrypt the data to a key you don't know.
"It sounds crazy, but stay with me...."