In an unprecedented move, China has finalized regulation that governs the way technology companies can use recommendation algorithms, targeting the secret behind the success of many of the country's giants.
The rules, which were first floated last year, will come into force on March 1, as Beijing continues its push to tighten regulation on China's tech sector.
Algorithms are critical to how many technology companies operate — from recommending items on e-commerce apps to users, to recommendations on social media feeds.
Investors will be watching whether these rules will affect the business models of companies, from Alibaba to Tencent, and how regulators will enforce the law.
Here are some of the provisions in China's algorithm regulation:
