An Instagram image is definitely worth more than 140 words. In August, Instagram officially passed Twitter in daily active users on mobile 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. The merits of mobile photography are clear. The data reveals that the average Instagram user spent 257 minutes accessing the site via mobile devices in August, while the average Twitter user over the same period only spent 170 minutes viewing. That’s a lot of connected, photo-sharing users coming back to the site often! Unlike Twitter which maintains a website, Instagram is mobile-first and mobile-only. This enables easy access to sharing features. That’s exactly why many media savvy companies have used Instagram