Internet users in the U.S. viewed a record-setting 14.3 billion online videos during December 2008, representing an increase of 13% vs. November 2008, according to data from comScore Video Metrix service. Google Sites again ranks as the top U.S. video property, with 5.9 billion videos viewed (41% online video market share), with YouTube.com accounting for more than 99% of all videos viewed at the property. Fox Interactive Media rankes second with 445 million videos (3.1%), followed by Yahoo Sites with 330 million (2.3%) and Viacom Digital with 291 million (2.0%). Hulu continues its growth trajectory, climbing 6% vs. November to 241 million videos viewed.