But Twitter’s overall user base climbed just 4% to 319 million average monthly users. Twitter didn’t spend a ton on that package--$10 million--but that move seemed like a way to introduce Twitter to newbies. But advertising revenue was flat at $638 million. Even worse, in the U.S., where Twitter would seem to have made the most headway with the ad community, ad revenue slid 7%. Overall, Twitter delivered 600 hours of live video on the platform including news and sports in the fourth quarter.

Source: Wall Street Journal February 09, 2017 17:37 UTC