You open a free app to do one simple thing. Before you even start, a full-screen message asks whether you want to try the paid version. The “Start free trial” button is large, bright and hard to miss. The option to keep using the free version is smaller, buried at the bottom. The same prompt appears again tomorrow. And the day after that.
A lot of people look at screens like that and think, “Surely this has to be illegal.” We even have a name for them, “dark patterns.” They feel pushy. They waste time. They seem designed to wear you down. But in most cases, they are perfectly lawful.
“Dark pattern” is not a legal term with a clear boundary. It is a broad label for digital designs that nudge, pressure, confuse or trap users. As a legal scholar who studies consumer protection and digital design, I think the most important thing for readers to understand is that the label “dark pattern” covers a broad spectrum.
Some of that spectrum is just annoying. Some of it is aggressive salesmanship. And some of it crosses the line into deception or coercion. Federal and state consumer protection laws are mostly aimed at that last category. They do not ban every design choice people dislike, only those that trick or coerce.
Annoying isn’t illegal
The ‘X’ in the upper right corner of this ad, for users to click to dismiss the ad, appears after the ad has been displayed for a moment. The ad also has an ‘X’ in the upper left corner, which is part of the image in the ad. Some users might click the ‘X’ on the left to dismiss the ad but instead be sent to the ad’s website. Possibly annoying but not illegal.
Screen capture by Gregory Dickinson
That reality may sound unsatisfying, but it is not unusual. Offline life is full of things that are irritating but not unlawful. Think of the cashier who asks whether you want to sign up for the store credit card, then points out the discount you are turning down, then asks again. Most people know exactly what is happening. They roll their eyes, say no and try to shop somewhere else next time.
The same is true online. A repeated pop-up can be obnoxious. A guilt-inducing button can be tacky. But consumers recognize ordinary annoyance for what it is. In many cases, the market answer is simple: Close the app, ignore the pitch or take your business elsewhere.
Similarly, law does not ban persuasive sales pitches just because they are effective. A car salesperson who keeps steering you toward the upgraded model is trying to influence your choice. So is the airline clerk who offers travel insurance. So is the restaurant server who asks whether you want dessert. Salesmanship is nothing new. Digital design often borrows from familiar techniques.
That helps explain why lawmakers cannot simply outlaw “manipulation.” And so many interfaces are built to persuade, openly and lawfully.
What crosses the line
What the federal FTC Act and analogous…
