Yep. Being on Verizon where you're required to have a data plan, I can see where you might confuse the two. However, other carriers don't require a a data plan. BBM will not work without the BlackBerry data plan.
__________________ The difference between stupidity and genius is that genius has its limits. When you take things for granted, the things you are granted, get taken. Even a mosquito doesn't get a pat on the back until it starts to work. Too many people miss the silver lining because they're expecting gold. [BES 5.0.3 / GroupWise 2012 HP2]