Hootsuite is a social media management system that allows users to manage multiple profiles, schedule posts, and analyze traffic across various social networks such as Facebook, Twitter, and Instagram. The document outlines how to create an account, connect social networks, set up tabs and streams, publish messages, and utilize additional apps and a mobile version for on-the-go management. Hootsuite offers different pricing plans catering to individuals, entrepreneurs, and businesses, with features scaling based on the selected plan.