TikTok Shares Insight On Top 2020 Categories In ‘What’s Next’ Report This week in social media news, TikTok publishes its What’s Next 2020 trends report for 19 global markets, Pinterest announces its first marketing summit, Instagram says it won’t promote reposted TikToks, Pinterest reaches 459 million monthly actives, Instagram debuts a ‘Recently Deleted’ feature and more. TikTok Publishes Its 2020 Trend Report For 19 Markets TikTok published its ‘What’s Next’ trend report for 19 global markets, including the US, UK, Korea, France and more. The reports are based on TikTok’s performance from January to November, and highlight the content categories that grew the most in 2020.