What is a key competitive differentiator of HP EliteBook 2760p computers?

A.
720p camera on a rotatable panel with SRS premium sound

B.
extra large versatile hard drive with super RPM technology

C.
enterprise level common docking

D.
industry leading battery life

Explanation:
Reference:http://h18000.www1.hp.com/products/quickspecs/14011_div/14011_div.PDF