Why Do Some Websites Have Pop-Up Warnings About Cookies?

If you spend any time at all on the web, you’ve probably come across a fairly normal site that seems strangely concerned about cookie education. You’ll see a pop-up that warns you that yes, the site uses cookies…just like almost every other page on the web. If the warning seems redundant and ineffectual, you’re not the only one to think so. But some people think it’s necessary, and those very specific people are in the European Union.