` ` ' Shore '' star attracts crowds at events promoting line of headphones for children . Less than 200 yards away , a similar throng jammed the SMS Audio booth , where hip-hop star 50 Cent was appearing on behalf of his own brand of headphones . Hip - hop star 50 Cent and pop singer Justin are also on hand to push products at CES . Advertising : Celebrities bring short - term buzz but are no guarantee of long - term success .
` ` ' Shore '' star attracts crowds at events promoting line of headphones for children . Hip - hop star 50 Cent and pop singer Justin are also on hand to push products at CES . Advertising : Celebrities bring short - term buzz but are no guarantee of long - term success .