San Francisco -- Revision3, a San Francisco-based Internet television network featuring original music, science, technology and comedy programming, said on Monday that it has raised $8 million in its second round of funding, led by Greylock Partners. The company said that it will use the proceeds to expand its mix of hip, geek and pop culture-oriented programming aimed at 18-34 year-olds. The site, formally launched last fall by the founders of social news site Digg.com, currently received more than 2 million downloads a month. Programming features original Internet TV shows such as "Diggnation," "Systm,"” "The Totally Rad Show," "iFanboy" and "InDigital." Advertisers include Sony, Netflix, Microsoft, WebEx, Verizon, Adobe and GoDaddy.