Does samsung drive have a free fall sensor?

So, I want a new hard drive for my laptop, a 500GB. And newegg has two, a western digital without free fall protection, and a samsung with "dynamic FOD control" and "intelligent compensation of external disturbance" . Does that mean the samsung has a free fall sensor/accelorameter? If the samsung has a free fall sensor, I'll get it, other wise I'll go with the WD cos I've been using their ...