I'd be more surprised if this was the first time Microsoft did this. I checked the download page[0] and next to the download button they say they will do this

I'd be more surprised if this was the first time Microsoft did this. I checked the download page[0] and next to the download button they say they will do this >You will also receive in-app notifications with promotional offers from Microsoft [0] https://www.bing.com/apps/wallpaper?pc=w011&brand=bing https://www.bing.com/apps/wallpaper?pc=w011&brand=bing