It is estimated that 146 of the 19 billion twitter users are various birds, insects and small mammals that have wandered into houses that had been hastily abandoned by people. They wander around looking for food and end up walking over keyboards and stumbling over computer mice which is what is responsible for this phenomenon. The most notable was from a brown rat that had raised its young on a dell laptop in a remote area of new zealand. By the time the young were weaned and finally left the safe confines of the laptop, their account had 687,000 followers, 1400 tweets and 2 of the mice had even been fired from a news channel for racist tweets.