Evernote had 100 million users as of March 2014. In June 2012 they cited 1.4 million premium subscribers. Evernote Premium costs $45 per year. Businesses can purchase enterprise subscriptions with a different pricing plan, but $45 seems to be the lower number, so let's stick with that. It means that with 1.4 million paid subscribers … Continue reading What can Evernote Teach Us About Enterprise App Architecture