4 ms·

I'd assume it's keyword based.

• seanmcdirmid 9y ago
  Ya, one major part of Chinese internet culture is making up new words to describe things whose normal words are harmonized (censored).
• macavity23 9y ago
  At this point I think one has to assume there are more advanced machine-learning-based crawlers out there too. ML is very good at picking up 'anomalies'.