While online music services cajole buyers into dropping 99¢ on a pop hit, the wireless industry charges twice that for tinny, 30-sec. cellular ring tones based on the same tunes. And business is booming. Global revenues from ring-tone sales will top $4 billion this year, according to the consulting firm Strategy Analytics. New ways to customize your ring keep coming.
--By Carolina A. Miranda
--From Top 40 to Your Phone
Pop stars from Britney Spears to Tim McGraw are cashing in on ring-tone royalties. The most popular phone tune at the moment: rapper 50 Cent's In Da Club.
--You Heard It...