Is there an easy way to display a diff which shows all the new links since the last time this was on HN? (Sept. 8th, 2020)

Partial list:

Falsehoods about Airline Seat Maps https://duffel.com/blog/falsehoods-about-seat-maps

Falsehoods about Biometrics https://shkspr.mobi/blog/2021/01/falsehoods-programmers-beli...

Falsehoods about Plain Text https://jeremyhussell.blogspot.com/2017/11/falsehoods-progra...