Tuesday, 17 January 2023 is the day analysts predict Elon Musk will become the number-one influencer on Twitter.

With 120 million followers, his account, @ElonMusk, is already the second most followed, after @BarackObama, the former US president, which has 130 million.

And following a meteoric rise in the month since he bought Twitter, Mr Musk's will inevitably overtake, statisticians at Social Blade say.

This will be an unprecedented moment.

The social-media industry has never before seen a platform with a chief executive who is also its biggest personality.

So if Mr Musk is to become both Twitter's chief executive and its "chief influencer", what are the implications - for the billionaire and for the website?

BBC News has asked experts for their thoughts on three key statistics.