Twitter is a powerful social media platform for businesses to engage customers, get feedback, and share information. The document provides tips for businesses to use Twitter effectively, including registering a professional Twitter account, following relevant accounts, using tools like TweetDeck to manage tweets, engaging with customers by asking questions and sharing content, and measuring success through increased engagement and feedback. Setting up a Twitter business presence requires understanding best practices like regular interaction, contributing to discussions, showing appreciation, and sharing company updates and successes.