Magazines have evolved significantly since their origins in the early 1700s. Early magazines like The Review served to disseminate information on public policy, literature and morals. The Saturday Evening Post became a truly national medium in the 1800s, containing essays, poetry and stories. Photographers like Mathew Brady helped establish photojournalism by having his Civil War photos reproduced in publications like Harper's Weekly. Magazines later specialized, with consumer magazines targeting specific interests and trade magazines focusing on particular industries. Muckraking journalists in the late 1800s wrote investigative pieces exposing issues in businesses, politics and society. Current magazine trends include targeting narrow audiences, prioritizing visual presentation, publishing short articles, and integrating magazines with other