It’s been called the greatest threat to democracy. Indeed, a force so powerful, it could spark the end of human civilization as we know it. We’re talking about Artificial Intelligence.    Many people are, understandably, frightened. How could they not be, when even some pioneers in the field have rung the alarm bells themselves? No less than Steve Wozniak, co-founder of Apple, and Elon Musk recently called for a moratorium on the development of the most sophisticated artificial intelligence systems. This was only shortly after an AI-powered chatbot urged one journalist to leave his wife, in February this year. But what exactly is AI, in reality? And is it all bad?  Today, Technology writer Tim Biggs on the upsides to Artificial Intelligence, and how it’s already deeply embedded in our everyday lives. And what we should be worried about.Subscribe to The Age & SMH: https://subscribe.smh.com.au/See omnystudio.com/listener for privacy information.