$2.44 billion (2017)
How they do it: Twitter does not charge its users for accessing its platform or using its mobile apps. Rather, advertisements are shown periodically, and brands may pay Twitter a fee to promote their tweets sl that they appear more prominently throughout users’ newsfeeds.
Leverage Customer Data
How they do it: Twitter personalizes advertisements shown on its website and mobile application based on customer data (e.g. browsing history and interests). This increases the effectiveness of advertising. Additionally, it partnered with third-parties who are granted access to its customer data, which then analyze this data.
How they do it: On Twitter, the content is exchanged between peers. Users can participate in discussion with other members of the platform and share information.