Here is a list of the Twitter accounts most followed by the members of the openvisconf community (computed by identyfying the 597 accounts tweeting using #openvisconf with at least 2 tweets, between 2017-04-19 and 2017-04-26).
You can drag an zoom this followers chart
By number of followers in openvisconf
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 openvisconf followers network