Original: In March 2006, Nvidia acquired Hybrid Graphics The Register Hardware news: NVIDIA acquires Hybrid Graphics  and on January 5, 2007, it announced that it had completed the acquisition of PortalPlayer, Inc.Press Release: acquires PortalPlayer, dated January 5, 2007.
Simplified: In March 2006, NVIDIA bought company Hybrid Graphics The Register Hardware news: Nvidia acquires Hybrid Graphics  and on January 5, 2007, it announced that it had completed the acquisition of PortalPlayer, Inc.Press Release: acquires PortalPlayer, dated January 5, 2007.