Here is a list of the Twitter accounts most followed by the members of the KDD2019 community (computed by identyfying the 95 accounts tweeting using #KDD2019 with at least 5 tweets, between 2019-08-01 and 2019-08-15).
You can drag an zoom this followers chart
By number of followers in KDD2019
Created by John Alexis Guerra Gómez Follow @duto_guerra
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 yourself
The KDD2019 followers network