[IshanMi]

This paper analyzed ~14,000 users and I'm wondering if that's a big enough sample size considering there are 350M or so users on Twitter? Is there a statistics test you could use to tell?

Or is the number we should compare 14,000 to not the total number of users, but the subset of people who actually migrated, i.e. left Twitter entirely and joined another social network?

Are there any estimates for how many people in total that might be?