Here is a list of the Twitter accounts most followed by the members of the SIGGRAPH2018 community (computed by identyfying the 1890 accounts tweeting using #SIGGRAPH2018 with at least 5 tweets, between 2018-08-12 and 2018-08-19).
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By number of followers in SIGGRAPH2018
If you want me to compute this for your conference, send me a DM @duto_guerra
Here is the data in case you want to analyze it yourselfThe SIGGRAPH2018 followers network