Things that go viral, spread fast. And things that move fast tend to be lightweight.
In the case of information, this means virality prefers fewer bits of information to transfer from one person to another. Virality leans toward the bite-sized and immediately understandable.
Many people (and businesses) desire the reach and popularity that comes with virality, but the downside of prioritizing retweets, likes, and views is that it pushes you toward insights that can be explained in a viral-friendly size.
I've been collecting different optical illusions for over a year. Here are some of my favorites. (I've tried to credit the creator and/or sharer whenever possible.)
Let's start with some moving pictures.
This is a static image, but these dinosaurs look like they are moving.