Mark Zuckerberg must be smiling right now. Instagram passed Twitter in daily active users on mobile in August for the first time, according to new comScore data provided to Mashable. Instagram had 7.3 million daily mobile users for the month, while Twitter had 6.9 million. In fact, comScore’s data shows that Instagram’s daily active user count has almost increased tenfold in the six-month period starting in March, when it had 886,000 daily active visitors. Twitter’s mobile user numbers have increased as well, but at a much slower rate. Read the full story at Mashable.