Freedom-lovers won't lose any battery life playing Ogg instead of MP3 on the Nokia n900
via tuomas.kulve.fi
Tuomas Kulve has actually done something useful with his n900 instead of doing the same old walkthrough. He has tested the battery duration when playing Ogg vs. MP3 on the Nokia N900. While this may not affect many, some people only support Ogg podcasts and other media, so its definitely worth checking out.
