The UK Competition and Markets Authority (CMA) has revealed it wants regulatory changes to deal with market dominance and ‘the imbalance of power’ created by big-tech companies. The CMA’s Chief Executive, Andrea Coscelli said that the two tech giants have a "duopoly" when it comes to digital advertising, and plans to issue Facebook, Google, and other tech companies a set of company-specific rules to rein in "anti-competitive behaviour" and give consumers…