In early May, the National Bank of Ethiopia (NBE) took to social media to announce that it had awarded a mobile banking licence to M-Pesa, a platform run by the Kenyan Vodacom-Safaricom consortium. Since his appointment in January, the central bank’s new governor, Mamo Mihretu, has undertaken to spruce up the institution, which is more than a century old. In March, the NBE quietly created a series of profiles on Twitter, Facebook, LinkedIn and