Magazines are a form of print media that distribute information through weekly or quarterly publications financed by advertising, purchases, or subscriptions. The magazine industry includes over 5,000 companies in the US alone, generating $24 billion annually in revenue and providing over 671,000 jobs plus 37,000 self-employed workers in 2004. Bauer Media Group is a large publishing and broadcasting company that owns many popular UK magazines, including TV Choice, Kerrang!, and Q Magazine, and employs over 6,700 people worldwide.