Title: How does Twitter make money? - BBC News
Headings: How does Twitter make money?
How does Twitter make money?
'Native' marketing
Using the 'firehose'
International users

Content: A budget is usually set at the start of the campaign and then the advertiser pays per click or per retweet. It also has a "bidding" system in which advertisers compete with each other to have their content appear in a particular space. "One of the advantages of Twitter for marketers over traditional display advertising is they have worked really hard to make sure that advertising on Twitter is not interruptive," says Lara O'Reilly, senior reporter at Marketing Week. media caption
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Anything that disrupts the user experience might reduce engagement from users, which in turn can put off advertisers, Ms O'Reilly says. "It's not a flashy banner that gets in the way of something. It looks very native," she explains. Also, the company takes in a significant portion of its advertising revenue from mobile devices - in contrast with Facebook, which had not fully developed its mobile strategy at the time of its listing. As of 2013, more than 65% of Twitter's advertising revenue was generated from mobile devices. More than 75% of Twitter users accessed the site from their mobile phone during that same time period. "Because Twitter was born as a mobile platform they already have this part sorted," Ms O'Reilly adds. "