Billionaire Elon Musk has dropped a major hint of what Twitter will be like under him. Musk revealed his plans of making Twitter something like a paywall social media platform. In a tweet, he said a slight cost may be imposed on commercial and government users. However, Musk clarified that for ‘casual users’, Twitter will always be free. Twitter will not be absolutely new to the idea of fee-based subscription and Twitter Blue is a similar concept, which gives Twitter's most loyal customers exclusive access to premium features and app customisation for a small monthly subscription fee. Watch the full video for more.