Hootsuite is a social media management system that allows users to connect multiple social media accounts like Twitter, Facebook, and Instagram. The tutorial explains how to create a Hootsuite account and choose a plan. It then demonstrates how to add social media accounts, create posts and schedule them, build streams to view activity from connected accounts, and view multiple streams together in one tab for easy management. The tutorial provides a comprehensive overview of the basic Hootsuite features for beginners to get started with social media scheduling and monitoring.