There are a few reports around a presentation made by Googler, Nick Frost, that search uses click data in some way, with some suggesting it may be used in rankings.
There's a great debate on the topic as to whether click data, or pogosticking, is actually used in the rankings algo, or whether, as indicated, it is used to train Google's AI models.
[
seroundtable.com...]
What's your view, and what evidence to you have to support it?