I’m tooling around with a new cell phone, a Treo 650. It has an SD card slot and claims to be able to play MP3 files. So I picked up a nice big SD card today and copied some files to it. The phone has RealPlayer installed but when I put in the SD card, RealPlayer couldn’t find the files. The answer is in the Fine Manual. You have to create a directory called SD_Audio at the root of the card, and copy the files there. Can’t say I ever thought I’d be listening to My Life in the Bush of Ghosts on a phone, but here I am. The sound quality isn’t half-bad! Here’s an on-the-verge of crusty page of Treo 650 tips and tricks (the comments) on Engadget.