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Internet companies ByteDance Alibaba Tencent Baidu morketing Tech Planet In-feed ads Pinduoduo
04-02
kindle Amazon Chinese market E-book reader morketing
01-04
![Domestic Internet companies 2021 advertising revenue ranking: Ali Tencent Baidu ranked in the top three[fig]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)
