Actually charging for Twitter would, of course, reduce the userbase to some degree; moreover, there are a lot of users with multiple accounts, and plenty of non-human users on Twitter. And, of course, Apple and Google would take their share. Still, even if you cut the userbase by a third to 141 million daily addicted users — which I think vastly... See more

So let’s review: there is both little evidence that Twitter can monetize via direct response marketing, and reason to believe that the problem is not simply mismanagement. At the same time, Twitter is absolutely essential to a core group of users who are not simply unconcerned with the problems inherent to Twitter’s public broadcast model... See more