I never really thought this through all the way this until fairly recently, and it's not just this instance in particular, but Nancy comics are pretty good.
The first one is amusingly obsolete on several levels. If Sluggo had a device with internet he'd have something to read without having to go anywhere, and of course the strip isn't being displayed on paper.
That reminds me of the weird way the opening of William Gibson's novel Neuromancer has become both obsolete while also taking on a completely different meaning-
The sky above the port was the color of television, tuned to a dead channel
He wrote it in the 80s, so he meant grey and snowy. Now it would mean a blue sky.
I'm old, so I envision the static first. I'm actually curious how many young'ns would get what he meant, since static is still commonly depicted in cartoons and games.
Out not-that-old Sharp tv does fake static on unused HDMI sources. I think I prefer blue though, the static gives me PTSD from being a kid without cable TV living in the woods in the 80s.