According to a new study from The Media Audit , 27% of adults have visited a local TV web site in the past 30 days. The study, conducted between January 2006 and April 2007, is based on a telephone survey of 118,211 randomly selected adults across 88 markets. Only two of the top 15 markets make it into the top 15 for adults who visit a local TV Web site - Houston (10th) and Philadelphia (13th). Across the nation 73% of adults are going online. With 27% going to local TV Web sites, this means that nearly 40% of Internet users are visiting their local TV websites. This is a strong testament to the appeal of the local TV Web sites. There are 6 markets: Raleigh, Tulsa, Denver, Columbia, Little Rock and Madison, where over half the adult online population is going to a local TV Web site. Of the top 15 markets, two Texas markets - Houston and Dallas - make it into the top 5 for converting online visitors to local TV website visitors. Philadelphia, Detroit and Seattle make up the rest of the ...