Complex sentence: Huttner and Bobby Clark, a former staffer to the Howard Dean presidential campaign, worked together in 2005 with the technology provider Blue State Digital to develop the website that launched as ProgressNow which was later adopted by the Barack Obama presidential campaign, 2008.
Split into simpler sentences: Huttner and Bobby Clark, a former staffer to the Howard Dean presidential campaign, worked together in 2005 with the technology provider Blue State Digital to develop the website that launched as ProgressNow. ProgressNow was later adopted by the Barack Obama presidential campaign, 2008.