Your WIRED daily briefing. Today, the Ugandan government will tax the use of instant messaging and social media platforms, Coca-Cola's claims of giving back the water it uses don't add up, DeepMind's AI learned to beat complex video games by watching YouTube videos and more. 1. Uganda has imposed a daily tax on social media users The Ugandan government has passed a law imposing a 200 shilling (£0.04) daily tax on anyone using social media and instant messaging platforms including Facebook, WhatsApp, Viber and Twitter ( BBC News ). The charge is part of a tax package intended to tackle the country's national debt and which, most controversially, also applies a 1 per cent charge on mobile money transactions, used by many Ugandans who lack access to traditional banking services. President Yoweri Museveni, a frequent critic of "lies" spread on social media, has said that the move will reduce harmful gossip. Opponents have highlighted not only a ri...