this morning i was sending tweets and playing with my storm when i got this pop up on my screen telling me my app memory was low. i was shocked to see it at first cause i was texting so fast. but this is a great new feature on the 5.0 os. Instead of none at all like on 4.7 os. It prompted me to uninstall some apps that i barely use. it even tells you how long you have used them. here's a screenie.