- Twitter is a microblogging platform that allows users to share updates in 280 characters or less. It has grown rapidly in recent years and is now one of the top social media platforms. - Twitter is used both socially and professionally, with many companies and brands using it for marketing. However, tweets should primarily be personal in tone and focus 80% on the individual and 20% on work or business. - There are various tools that can help manage a Twitter profile and analyze metrics like followers, retweets, and links shared via bitly. Consistent posting, relevant hashtags, and engaging with other users are keys to effective use of the platform.