Kamran Balayev is an international legal and policy expert, business leader, and former London mayoral candidate. In 1215, a group of barons gathered in Runnymede to demand that unchecked power be restrained by written law. The result was the Magna Carta — a document that marked the beginning of the modern idea of constitutional limits. Over eight centuries later, the imbalance is digital, not feudal. And the unchecked power is no longer wielded…