Why are gossip magazines so popular?

From Wikipedia: Gossip is idle talk or rumor, especially about the personal or private affairs of others. It forms one of the oldest and most common means of sharing (unproven) facts and views, but also has a reputation for the introduction of errors and other variations into the information transmitted. In the last decade, gossip has been researched in terms of its evolutionary psychology origins. This has found gossip is an important means by which people can monitor cooperative reputations and so maintain widespread indirect reciprocity.