PUBLIC MARKS from sbrothier with tags voyages & ♫

electronic devices such as BlackBerrys and Treos changed business trips. Now MP3 portable music players—most notably the industry's standard-bearer, Apple's iPod—are fast doing the same for leisure excursions. Aside from bringing Dean Martin along to "Mambo Italiano" on a trip to Capri, travelers can now download everything from an unabridged copy of The Da Vinci Code for beachside listening, to an audio tour of Pompeii. Here are nine ways to use your iPod while on the road: