A social media platform where users interact, or “tweet” by posting a message or replying to a message in 140 characters or less. Each keystroke on a keyboard is considered a character. Twitter is used to share information and links, and utilizes hashtags to categorize information. Tweets are typically public and can be seen by anyone. If you are followed by another user, that user will see your tweets in their feed. Similarly, you will the see the tweets of anyone you follow in your feed.
Source: HSMAI CHDM Study Guide