Vocus, Inc. provides cloud-based marketing and public relations software that enables companies to acquire and retain customers. It offers products and services to help customers attract and engage prospects, capture and keep customers and measure and improve marketing effectiveness. The company's cloud solutions address key areas of digital marketing and public relations, including social media marketing, search marketing and news distribution, email marketing and publicity. Its software is designed for marketers to attract customers through search engines, increase and engage their followers on social networks such as facebook, linkedin and twitter, communicate with prospects and customers via email and generate and track visibility in traditional and online media. The company's buyers primarily consist of marketing and public relations professionals that share a common goal of marketing. Vocus was founded by Richard E. Rudman and Robert William Lentz in 1988 and is headquartered in Beltsville, MD.