I use the ad-supported version of the Spotify digital music service on my desktop computer. The mobile app cost $10 a month, which isn't bad, but between Pandora and WFMU's app, I am able to live without it and save a bit of money.
Today, Spotify announced a free mobile service that allows you to shuffle play your playlists, other playlists, or any artist in Spotify's large catalog. You are limited to 6 skip forwards per hour (I think Pandora has the same limit). In any case, I'm in!
Read more in Music at Boing Boing
Mark Frauenfelder is the founder of Boing Boing and the editor-in-chief of MAKE and Cool Tools. Twitter: @frauenfelder. His new book is Maker Dad: Lunch Box Guitars, Antigravity Jars, and 22 Other Incredibly Cool Father-Daughter DIY Projects