What Works for Startups Like Yours?

NotebookLM is an AI-powered tool incubated within Google Labs that lets users upload documents, PDFs, articles, and other content to generate interactive summaries, study guides, and notably, AI-hosted podcast episodes called 'Deep Dives.' Launched about a year before this interview, the product went viral on social media with its surprisingly engaging audio overviews, attracting educators, students, and professionals. Built by a tiny team (3 engineers, 1 PM, 1 designer initially) operating like a startup within Google, the product has achieved strong retention metrics, 60,000 Discord members, and has caught the attention of enterprise companies interested in using it at scale.

Blab is a live conversation platform launched in January 2016 that allows users to broadcast live discussions where audiences can comment, chat, and call in to join conversations. Founded by Sean Peary after experiences in sushi, biotech, and an idea lab in San Francisco, Blab achieved millions of watch minutes per week with daily active users watching for over an hour per day, competing with Netflix and traditional TV by offering niche content from everyone ranging from basement creators to major brands like ESPN, UFC, Adobe, IBM, and Cisco.

GeoGuessr is a game where players guess random locations based on Google Street View imagery. Launched in 2013 by a Swedish software engineer as a side project, it grew slowly until the pandemic hit in 2020, when a paywall was introduced after Google increased API costs 14x. Revenue exploded from $467k in 2019 to $21M in 2023 with $11M EBITDA, driven by viral TikTok and YouTube creators, and now has 50M registered users and 50 employees.

First customers: Reddit post in web development subreddit where the founder shared the application and asked for feedback

iSideWith is a political information platform that uses an engaging quiz format to match voters with political candidates and issues. Founded by Taylor Peck and an engineer co-founder, the platform went viral on Facebook, reaching over 25 million quiz takers in four years through organic sharing, with 1.5 million new completed quizzes per month. While currently generating modest revenue (~$10k/month from Google AdSense), Taylor is building toward monetization through sponsored candidate communication tools and email-based campaign offerings.

First customers: Facebook organic sharing - they posted their initial 10-question quiz on Facebook and it spread virally within six months to over six million people

Pop Mart is a Chinese collectibles marketplace founded by Wang Ning in 2010 that grew from a single Beijing store to a $44 billion public company by 2024. The company monetizes designer toy blind boxes, with the LaBoubou character becoming a viral phenomenon after celebrity endorsements from Rihanna, BLACKPINK's Lisa, and other A-list figures, driving the stock from $7 billion to $44 billion in valuation within a year.

Dropbox, founded by Drew Houston in 2007, experienced explosive viral growth in its first era (2007-2014), doubling and 10xing user counts annually through innovative referral programs and demo videos that leveraged early social media. However, the company entered a difficult second era around 2015 when major incumbents (Apple, Microsoft, Google) launched competing products, particularly Google Photos' free unlimited storage offering, which devastated Dropbox's photo-sharing business. Houston made the strategic decision to kill Carousel and Mailbox, going all-in on productivity, which initially backfired with negative press and internal turmoil before the company eventually stabilized.

First customers: Hacker News viral demo video in 2007, which generated a large beta waiting list

Roblox is a platform launched in 2006 by David Baszucki and Erik Cassel where users can play millions of different games across virtual worlds, create their own games, and connect with others. During the pandemic in 2020, the platform became a major social hub for US kids, and the company is now valued at over $28 billion.

Bebo was a social networking platform launched by Michael Birch in January 2005 that achieved viral growth with a 3.5 viral coefficient, reaching 1 million users in just 9 days. Birch built Bebo by reapplying lessons from his previous viral success with Birthday Alarm, focusing on inherent virality through address book imports and photo sharing. The company raised $15 million and was ultimately sold to AOL for $850 million in 2008, though it faced challenges competing with Facebook's real identity focus and superior funding.

First customers: viral - self-referral through address book imports from Hotmail and Yahoo

Hot or Not launched in 2000 as a simple photo-rating site and became one of the first viral web products, reaching 30,000+ IP addresses on day one and becoming a top-20 most trafficked website within two months. The founders stumbled into a sustainable freemium business model (converting 5-20% of users to paid dating features) that generated $10,000-$20,000+ daily revenue by the early 2000s, ultimately scaling to $6M in annual earnings before selling around 2008.

First customers: Word of mouth / email to friends

Typeform is a SaaS platform for creating interactive forms, surveys, quizzes, and data collection interfaces with a focus on respondent experience. Paul Campillo joined as Typeform's first marketing hire after an unconventional application process, and the company grew from 28 employees to over 300 while surpassing 100,000 customers. The company scaled through viral growth and word-of-mouth, later implementing customer-centric strategies including jobs-to-be-done interviews and community involvement in product development.