You’ve probably heard about Periscope by now, especially if you spend your evenings on Twitter. Periscope is the latest social media platform to emerge and it’s making live streaming both a joy and controversy. What is it? Periscope is a live streaming app which can be used from anywhere in the world if you’re an iOS user. You can watch Q&A’s, adventurous hiking and even cats. It’s already being used by the UK’s best-known brands. For example House of Fraser announced on Twitter that they would be live streaming their press day on the platform. Red Bull was live streaming…