The key point IMO was his sentence "What what we knew and ultimately figured out was that we needed to economically incentivize advertisers to want to do a bett

The key point IMO was his sentence "What what we knew and ultimately figured out was that we needed to economically incentivize advertisers to want to do a better job advertising to our users." Which leads to his point "Sometimes to find the right answer you have to look at a problem and work out a solution which completely disregards current standard practices."