Meituan, ByteDance, JD.com, and nine other Chinese tech giants have all promised Beijing they will behave.
The alphabet of China's tech crackdown, we now know, goes past Alibaba. It now goes on to Baidu, ByteDance, and on down to Weibo.
China's government had just finished fining Jack Ma's e-commerce giant a record $2.8 billion for abusing its market dominance, after a four-month probe.
Toe the line: China's tech tycoons are paying the price for challenging Chinese president Xi Jinping.
But then on Tuesday market watchdog, the State Administration for Market Regulation (SAMR), issued a stern edict too to 34 other Internet companies.