Dark Patterns
A reader's summary of the term for interface design that tricks people into choices they did not mean to make: who named it, how the taxonomy grew, what regulators have done about it, and why the same tricks keep reappearing.
The term at a glance
A dark pattern is a user interface built to push people toward an action that benefits the company and often costs the user: a subscription they did not intend, data they did not mean to share, a purchase they were hurried into. The phrase is now used by designers, journalists, regulators and ordinary users, usually after a frustrating attempt to cancel something. Many designers prefer the plainer phrase “deceptive design,” since “dark” invites an unhelpful association with colour.
Origin
The British user-experience designer Harry Brignull coined the term in 2010 and launched a site, darkpatterns.org, to catalogue examples and name and shame the companies behind them. He defined them as tricks used in websites and apps that make you do things you did not mean to, such as buying or signing up for something. The name stuck, and Brignull later moved the project to a new address, deceptive.design, in 2023, reflecting the preference for the plainer term.
History and context
The academic literature followed. A 2018 paper by Colin Gray and colleagues at the CHI conference, “The Dark (Patterns) Side of UX Design,” sorted examples into five broad strategies: nagging, obstruction, sneaking, interface interference and forced action. In 2019 a Princeton team led by Arunesh Mathur crawled about 11,000 shopping sites and reported 1,818 instances of dark patterns on roughly 11 per cent of them, including fake countdown timers and “only 2 left” messages that were generated rather than measured.
Regulators then moved from description to enforcement. The US Federal Trade Commission published a staff report, “Bringing Dark Patterns to Light,” in September 2022. In December 2022 it announced a settlement with Epic Games, the maker of Fortnite, that included $245 million in refunds to players charged through misleading button layouts. In 2023 it sued Amazon over the way Prime enrolment and cancellation worked, a case that Amazon settled in September 2025 for a reported $2.5 billion in penalties and refunds. In Europe, the Digital Services Act of 2022 forbids online platforms from designing interfaces that deceive or manipulate users.
Main ideas
The design is the deception
A dark pattern does not lie in words. It arranges the screen so that the choice the company wants is the easy one: a pre-ticked box, a bright button next to a grey link, a countdown that resets. The user is not told something false; they are steered.
Asymmetry is the signature
Signing up takes one tap and cancelling takes a phone call. Accepting all cookies takes one click and refusing them takes a settings maze. When two opposite actions have wildly unequal costs, someone chose that gap.
It is measured, not guessed
Companies run A/B tests. A variant that hides the unsubscribe link and wins on retention gets shipped, and nobody has to intend harm for the interface to drift toward it. The metric rewards the trick.
A cousin of Goodhart's law
Optimise a number such as conversions or retention without limit and the interface learns to get that number by means the customer would not endorse, which is Goodhart's law played out one screen at a time.
The end of the road for a decaying platform
Once growth stalls, extracting more from existing users is the cheapest lever left. Dark patterns are the interface layer of enshittification, and a mechanical cousin of the engagement loops described in the Hook Model.
Critique
- The line between persuasion and deception is blurry. A default setting, a highlighted recommended plan or a reminder email is ordinary design. Courts and researchers disagree about where nudging becomes manipulation, and the label gets applied to interfaces that are merely commercial.
- Intent is hard to prove. Interfaces are tuned by testing, so no one may have decided to trick anybody. That makes enforcement lean on outcomes, such as how many users were enrolled by accident, rather than on what the designers meant.
- Users are not helpless. Some of the strongest criticism of the framing is that it treats people as passive. Many notice, complain and leave, and a trick that works once can cost a company a customer for good.
Impact
Dark patterns turned a designer's grumble into a legal category. Cancellation flows, cookie banners and subscription renewals are now reviewed by lawyers as well as product teams, and several jurisdictions require cancelling to be as easy as signing up. For anyone using the web the practical habit is simple: when an interface makes one option loud and the other nearly invisible, ask who benefits from that arrangement.