From Manila to Madrid, international consumers now represent more than three-quarters of the 232 million people who regularly use Twitter.
The problem is, Twitter is still figuring out how to make money from users abroad. The company got 26 percent of its total revenue from markets outside the United States in the third quarter, compared with around 17 percent at the end of last year, according to regulatory filings.
Turning that global popularity into international ad sales remains tricky for the San Francisco company as it nears an initial public offering of stock. Many overseas brands are more skeptical of the impact of social media advertising than their US counterparts, while Twitter faces stiff competition from local social media rivals like Line of Japan. Full story for BostonGlobe.com subscribers.