By Marc Jones LONDON (Reuters) – A paper published by the world’s main central bank umbrella group, the BIS, has called for individuals and firms to be given more control over the data collected on them by social media and other Big Tech firms and banks. The boom in internet-enabled mobile phones, apps and other high-tech gadgets in recent decades has led to an explosion of personal data that firms now harvest, process and sell. The Bank for International Settlements (BIS) paper published on Thursday said while most countries already have some laws around data use, most individuals still were …