1. because it makes BB bigger. i've always dreamed of bigger phones.
2. it makes BB heavier. i don't have enuough time to work out.
3. it makes BB uglier. (hope that makes YOU look good.)
4. techies are trying to make it thiner day and night, and i really hate them.
5. i've heard fresh air is not good for high-tech devices.
6. it is free, why don't i?
7. my mom told me to.
sorry to be sarcastic, but i really wanna know why people are doing this. ;-)