A newspaper is a periodical publication that contains written information about current events
. It is often printed in black ink on a white or gray background and can cover a wide variety of fields such as politics, business, sports, art, and science. Newspapers often include materials such as opinion columns, weather forecasts, reviews of local services, obituaries, birth notices, crosswords, editorial cartoons, comic strips, and advice columns
. Most newspapers are businesses and pay their expenses with a mixture of subscription revenue, newsstand sales, and advertising revenue
. Newspapers can be published daily or weekly, and they can be printed or online
. The oldest newspaper still published is the Ordinari Post Tijdender, which was established in Stockholm in 1645
