Why Twitter may have reached its ceiling of users - and what that says about how the medium dictates the message. Sometimes, honesty isn’t the best policy. Just ask Twitter. In June 2015, after admitting that its user growth rate was slower than predicated, the Chief Exec ended up resigning the following day and just six weeks later share prices were at their lowest level in a year. And this, despite reporting revenues and earnings for the second quarter that were better t