2004 establishments in Massachusetts

Facebook is an American social networking service owned by the American technology conglomerate Meta Platforms. It was founded in 2004 by Mark Zuckerberg, along with his Harvard College roommates and fellow students Eduardo Saverin, Andrew McCollum, Dustin Moskovitz, and Chris Hughes. The name Facebook derives from the face book directories often given to American university students.

American technology company

American independent record label founded in 2004 and based in Boston, Massachusetts

ActBlue is an American Democratic Party political action committee (PAC) and fundraising platform founded in 2004. ActBlue is a major part of the Democratic Party's fundraising infrastructure. As of 2025, ActBlue reports that it has raised $16 billion for Democratic candidates and causes since it was established. ActBlue is organized as a PAC, but it serves as a conduit for processing individual contributions made through the platform. Under federal law, these contributions are made by individuals and are not considered PAC donations.

Tilera Corporation was a fabless semiconductor company focusing on manycore embedded processor design. The company shipped multiple processors in the TILE64, TILEPro64, and TILE-Gx lines.

American band founded in 2004 in Boston, Massachusetts