CES star attracts crowds at CES promoting line of headphones for iHip . Justin Bieber star 399 and pop singer Hip-hop also on hand to push products at `` Jersey Shore '' . Hundreds of onlookers crowded around a booth inside the cavernous Las Vegas Convention Center , hoisting cameras overhead and straining for a glimpse of the woman with the tiny frame and the big fake eyelashes : . Analyst : Celebrities bring short-term buzz but are no guarantee of long-term sales .
CES star attracts crowds at CES promoting line of headphones for iHip . Justin Bieber star 399 and pop singer Hip-hop also on hand to push products at `` Jersey Shore '' . Analyst : Celebrities bring short-term buzz but are no guarantee of long-term sales .