ACORN is the nation's largest community organization of low- and moderate-income families, with over 350,000 member families, organized into 800 neighborhood chapters, in 104 cities nationwide. The endorsement reflects a belief that Obama – who worked as a community organizer on the South Side of Chicago – understands that change must come from the ground-up, as part of a working coalition, rather than from position papers.

As Maude Hurd, ACORN's National President, put it, "What it came down to was that Senator Obama is the candidate who best understands and can affect change on the issues ACORN cares about like stopping foreclosures, enacting fair and comprehensive immigration reform, and building stronger and safer communities across America." More.