In January 2003, Markos Moulitsas joined Armstrong in a political consulting partnership called Armstrong Zuniga, before being formally dissolved in December 2004. Howard Dean hired them for a time as technical consultants in 2003. Armstrong introduced the campaign to Meetup.com and directing on online advertising and blogger outreach. He worked with US Senate candidate Sherrod Brown's 2006 Senate campaign in Ohio. He also signed on with Mark Warner's Forward Together PAC to develop their internet strategy, before Warner decided to not run for president in 2008.