Alfred Wahlforss, founder of Listen Labs, a startup that uses AI to conduct customer interviews, was facing a challenge in hiring engineers with salaries competing against Mark Zuckerberg's $100 million offers. To solve this issue, he spent $5,000 on a billboard in San Francisco displaying what appeared to be gibberish numbers, which were actually AI tokens that led to a coding challenge. The response was overwhelming, with thousands attempting the puzzle and 430 cracking it.

This unconventional approach has now attracted $69 million in Series B funding, valuing Listen Labs at $500 million and bringing 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. The platform uses open-ended video conversations rather than multiple-choice forms, leading to increased honesty from participants.

Listen Labs is entering a massive but fragmented market, estimated at $140 billion annually, populated by legacy players that are vulnerable to disruption. Wahlforss believes that AI-powered research doesn't just replace existing spending – it creates new demand. He cited the Jevons paradox, an economic principle where technological advancements make a resource more efficient to use, leading to increased overall consumption rather than decreased consumption.

The company is building "the ability to simulate your customers, so you can take all of those interviews we've done, and then extrapolate based on that and create synthetic users or simulated user voices." It also aims to enable automated action based on research findings. Wahlforss acknowledged the ethical implications but emphasized guardrails to ensure companies are always in the loop.

Listen Labs' growth suggests appetite for its experiment. Microsoft's Patel said Listen has "removed the drudgery of research and brought the fun and joy back into my work." Chubbies is now pushing its founder to give everyone in the company a login. Sling Money, a stablecoin payments startup, can create a survey in ten minutes and receive results the same day.

Wahlforss has a phrase for what he's building: "Slow is fake." He's betting that in the AI era, companies that listen fastest will be the ones that win.