Dive Brief: 

• Twitter introduced new ad options for targeting users on certain mobile carriers and to new users. 
• New options will be initially available in 35 countries and will soon roll out to Ad API partners. 
• The options could allow Twitter to capitalize on the highly competitive mobile carrier marketers, which are ads targeted to certain mobile carriers offer the most value to mobile carriers themselves. 

Dive Insight: 

Twitter's biggest successes have been due its popularity with mobile users. Any extra targeting options to mobile users can only help the social platform move forward, especially now that it has some serious competition with Instagram and Snapchat in the social realm. For marketers that want fresh eyes on their content—the tactic is beneficial for both Twitter and advertisers.