I have been having some serious battery problems after upgrading to 4.0 GM on my iPod2G. When I watch a 5-minute YouTube video my battery is decreased by about 7%. Playing an app for about 10-minutes decreases the battery by about 5%. I believe I have found the culprit, and Apple was right: multitasking and homescreen wallpapers can't support the old hardware. By jailbreaking and enabling these features, my battery life was crippled (I had to re-charge my device twice within about 4 hours). I SSH'ed into my device and removed these features from the .plist and instantly saw a better battery life. I would just like to know if anyone else is experiencing these same issues? or if there is a way to enable these features without the massive dip in battery life?