Thanks, @ceattlestretch.

I've noticed that recency bias too, as I've spent a good few hours on TY, myself. And since my interests appear to change with the seasons, my YT number likely varies quite a bit throughout the year (as my interests probably align more closely with mainstream interests from time to time), so it would probably be a more accurate and useful number if we were to collect the averages over the course of at least a few months, if not a whole year or more.

Now that I think about it, the videos we "thumb up" should weigh heavier in determining how mainstream our viewing habits are, but I suppose the YT recommended feed algorithm heavily factors that in already. Thinking a bit more on it, I'm not exactly sure what the algorithm takes into account or how it weights those variables. My guess is that thumbed up videos ranks the highest, followed by the videos that we save into playlists, but I'm not even sure that's the case.