Elon Musk, the mercurial entrepreneur, didn’t waste any time in introducing sweeping changes both to the company and product. First up, there were the swingeing cuts in staffing at offices around the globe. Twitter, which Musk said was losing $4 million a day, has reduced headcount by around 80 per cent since last October. Significant changes to the platform followed quickly. Blue ticks were removed for celebrities and politicians and became part of the Twitter Blue paid subscription which is now called X Premium. There were also limits introduced to the number of posts that a user can see each…