Started in 2001, Community News Service publishes seven monthly newspapers in Mercer County. They include: the Trenton Downtowner, the Ewing Observer, the Hamilton Post, the Lawrence Gazette, the Robbinsville Advance, the Hopewell Express and the Princeton Echo. These papers, which cover local news, businesses and events, have a combined circulation of 122,000 and are mailed directly, free of charge, to every residence and business in the communities covered. Checks and all major credit cards are accepted for advertising payment.