I've asked dang et al to release data on astroturfed threads and haven't heard any response whatsoever. They have the data but aren't willing to share it seems.

I've asked dang et al to release data on astroturfed threads and haven't heard any response whatsoever. They have the data but aren't willing to share it seems. Why is a different question. As persona management (sockpuppetry) tech gets better it becomes much more difficult even with the data to prove.