[CharlesW]

Out of curiosity, where are you seeing this? It's not in the abstract or the paper.

[JimDabell]

Some of these comments were originally made in response to this spammy submission:

https://news.ycombinator.com/item?id=39726156

[lolinder]

Oh, thank you! I didn't know we'd been moved.

[CharlesW]

Ah! Makes sense now, thank you.