Microsoft’s TikTok deal: bargain of the decade or a $50bn blunder?

Jury is out on whether video-sharing site could make Microsoft a social media giant

As the clock ticks on Microsoft's fast-track talks to buy TikTok the jury is out on whether it marks a unique opportunity to become a global social media giant overnight, or a $50bn (38bn) geopolitically fuelled business blunder.

Donald Trump's trade war with China has forced ByteDance, the privately owned Beijing-based parent of the video-sharing site TikTok, to pursue a sale of its US business after the president signed an executive order last week that could shut it down on 15 September.