Twitter works with its affiliate TellApart and third-party advertising partners, including Google, to market Twitter’s services and serve ads on behalf of Twitter advertisers, including through the delivery of interest-based ads.
There are different kinds of ads on Twitter, such as: Promoted Tweets, Promoted Accounts, and Promoted Trends. These ads can show you when you are logged in or logged out of Twitter. They are clearly marked with a “promoted” icon. People can interact with most promoted content in much the same way as organic content. If you follow, like, or Retweet content on Twitter, including promoted content, The followers may see your brand name associated with that content.