In addition, many applications efficiently utilize both the on - device Device Memory and Media Card to store portions of the application. (crackberry.com)
RIM has made their BlackBerry devices more consumer friendly by increasing storage and adding a microSD card to expand the total device memory. (lifewire.com)
I ran out of device memory long ago on my Kindle 1 and if you own a Kindle 2 you will too at some point. (jwikert.typepad.com)