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张章's avatar

I like the story about the 'God particle', so cool! It's very comfortable to read the whole post and I learned a lot!

I'm curious about the methodology evolution behind these works. Before the 'God particle' story, as you said, researchers usually gather data back in time and then analyze the data, In your 'God Particle' story, you can gather some real-time data and analysis. And in the following 4 papers, we see researchers were even doing more like 'dividing people into two groups and showing them different information'. WOW, how did the do that? Are the researchers collaborating with Facebook and they changed the recommendation algorithm for Facebook to manipulate what people see? or do They use some bot to show information to people?

Overall it seems that we can not only gather data and analyze data, but now we are able to conduct more experiments by perturbing social media. I'm very curious about How and to what extent can we perturb and what is the limitation of perturbation?

Thanks again, it's a very informative post!

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Petter Holme's avatar

Well, it is also "still poorly understood" whether it is meaningful to think of online social networks as "interconnected and complex socio-technical systems where emergent collective dynamics intertwine with individual behaviors." If anything, these findings seems to suggest online collective dynamics don't matter.

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