At this point in the Windows 10 lifecycle, seeing an advertisement in Windows 10 has become commonplace. While I still believe that Microsoft should not be shoving games and other random apps/junk down our throats, I wouldn't be as annoyed when they advertise their own apps/services if they did it intelligently.
This morning, when logging on to my machine after a having been off for the fourth of July, I was presented with a pop-up notification on the taskbar telling me how Edge on my mobile device can sync passwords, favorites and other content to my phone.