Listen Labs Raises $69M After Viral Billboard Hiring Stunt to Scale AI Customer Interviews
Alfred Wahlforss was running out of options. His startup, Listen Labs, needed to hire over 100 engineers, but competing against Mark Zuckerberg’s $100 million offers seemed impossible. So he spent $5,000—a fifth of his marketing budget—on a billboard in San Francisco displaying what looked like gibberish: five strings of random numbers. The numbers were actually AI tokens.
Decoded, they led to a coding challenge: build an algorithm to act as a digital bouncer at Berghain, the Berlin nightclub famous for rejecting nearly everyone at the door. Within days, thousands attempted the puzzle. 430 cracked it. Some got hired. The winner flew to Berlin, all expenses paid.
That unconventional approach has now attracted $69 million in Series B funding, led by Ribbit Capital with participation from Evantic and existing investors Sequoia Capital, Conviction, and Pear VC. The round values Listen Labs at $500 million and brings its total capital to $100 million. In nine months since launch, the company has grown annualized revenue by 15x to eight figures and conducted over one million AI-powered interviews.
Why Traditional Market Research is Broken
Listen’s AI researcher finds participants, conducts in-depth interviews, and delivers actionable insights in hours, not weeks. The platform replaces the traditional choice between quantitative surveys—which provide statistical precision but miss nuance—and qualitative interviews, which deliver depth but cannot scale.
Wahlforss explained the limitation of existing approaches: “Essentially surveys give you false precision because people end up answering the same question… You can’t get the outliers. People are actually not honest on surveys.”
How Listen Labs Works
The platform works in four steps:
- Users create a study with AI assistance.
- Listen recruits participants from its global network of 30 million people.
- An AI moderator conducts in-depth interviews with follow-up questions.
- Results are packaged into executive-ready reports including key themes, highlight reels, and slide decks.
The Challenge of Fraud in Market Research
Listen finds and qualifies the right participants in its global network of 30 million. However, Wahlforss noted that they encountered rampant fraud in the industry. The company built a “quality guard” that cross-references LinkedIn profiles with video responses to verify identity, ensuring participants provide honest feedback.
Real-World Applications
Companies like Microsoft and Chubbies have successfully utilized Listen Labs. Microsoft has reduced its customer research time from four to six weeks to mere days, while Chubbies achieved a 24x increase in youth research participation by using Listen to navigate scheduling challenges.
Looking Ahead
Listen Labs is entering a massive market, with the market research industry estimated at approximately $140 billion annually. Wahlforss believes that as AI-powered research becomes more accessible, it will not only replace existing spending but also create new demand.
Wahlforss concluded with an ambitious roadmap, aiming to simulate customer feedback and automate responses based on research findings. This could potentially reshape product development and customer engagement in unprecedented ways.
As Listen Labs continues to innovate, it aims to be at the forefront of transforming how companies understand their customers, ultimately leading to better products and services in the AI era.