Ranking model starts receiving 'de-bias' inputs
Switch flipped for de-biasing
The ranking model is now sent extra inputs to correct for bias, likely position bias (posts higher up get more clicks just for being there). The effect on reach is unclear.
What to do: Nothing to change. It might make ranking slightly fairer to posts shown lower down.
low confidence Low confidence: new or experimental code. We can't tell how live it is. Source commit 2f25214