So i've read a few users on here saying to NOT install task killer on Droid X (or any phones running 2.1 or higher). Wanted to know the reason for this? Or if any of you disagree with this? I currently have it running on my X cause it seems there are constantly unwanted apps running, which actually leads to my next question : Why does it seem apps on my phone are constantly running by themselves? Im new to android phones, but on my previous phone (blackberry) no apps would start by themselves after the phone was running?? Anyway should I be running app killer or should I not be concerned with the apps running in the background on their own? What will hurt my battery and/or performance more?