How Twitter makes money to run world's largest micro-blogging platform?
Twitter earns 85% or more of its revenue from advertising in following ways that appears on users timeline called Twitter feeds.
Revenue Model 1: Advertising
Promoted Tweets- cost between 50 cents and $2 per engagement
Promoted Accounts-cost between $2.50 and $4 for every new follower
Promoted Trends-cost as much as $200,000 per day
Twitter makes additional revenue through data licensing.
Revenue Model 2: Data Licensing
Twitter sells something known as the "firehose", its public data, which often adds up to about 500 million tweets each day. Companies can dive deep into the data to analyse consumer trends and sell their insight on to other brands and companies.
Companies could use the data to do simple things like monitoring sentiment towards their brand or product.