The content originally appeared on: CNN Washington CNN Business - Twitter searches for the widespread Covid-19-related protests in China are returning a flood of spam, pornography and gibberish that some disinformation researchers say at first glance appear to be a deliberate attempt by the Chinese government or its allies to drown out images of the demonstrations. Beginning late last week and into Monday, searches in Chinese for major protest hotspots, including Beijing, Shanghai, Nanjing, and Guangzhou, produced a nonstop stream […]