Re:Reddit Is Raising Funds at a Valuation of $1.7B
by SquareWheel on Saturday June 17, 2017 @07:59AM
(#14575500)
This seems pretty obvious, doesn't it? Your interests are the subreddits that you're subscribed to. They don't need to do any "tracking" because that's just how the site works by default.
Steve's tone here is pretty clearly tongue-in-cheek.
Here is what Mr Huffman has to say on this topic:
https://youtu.be/6PCnZqrJE24?t=8m13s