NELSON OLANIPEKUN FOUR years ago, Omoregie* and his friends were arrested without cause and taken into custody. When they got to the station, Omoregie watched as the police began to beat his friends. Afraid, he began to discreetly tweet about the attacks as they took place. I and many other Twitter users could read his fears while he called for help through his tweets. Taking action as a lawyer, I was able to secure his release within a few hours with the help of other activists through the police unit responsible for citizen complaints. I had been thinking of Omoregie…