Now, unlike the Apple iPhone, the Droid can run more than one app at a time. This sounds like a fantastic feature, and a major selling point. Unfortunately, it is very hard to turn an app off, so it doesn’t take long for the phone to become overwhelmed. How big of a problem is this? The number one downloaded app in the Droid app store is “Advanced Task Killer” an app you must use dozens of times a day to kill apps that are slowing down your phone.
Much more here: Thoughts on the Downside of the Droid — Seeking Alpha