The Idea: Back in 2011, Matthew Buchanan and Karl von Randow were running a successful web design agency called Cactuslab in Auckland, New Zealand. While they had plenty of client work, they were itching for a passion project. Both were avid film fans but felt digitally homeless; they used Flickr for photos and Last.fm for music, yet there was no social equivalent for cinema. IMDb was too clunky and data-heavy; it lacked a "soul." They envisioned a "Goodreads for movies"—a place not just to rate films, but to log when you watched them, curate stylish lists, and follow friends' tastes. They treated the build like a client project with zero budget, working on it during downtime between paying gigs. They didn't want to build a database; they wanted to build a diary.

The Execution:

• October 2011: They launched the Private Beta (MVP). It was a "velvet rope" launch—invite-only. This wasn't just for exclusivity; it was technical necessity to manage server load. The scarcity created massive buzz among tech and film circles.
• February 2013: After refining the product for over a year based on beta feedback, Letterboxd officially opened to the public. To generate immediate revenue without relying on ads, they introduced "Pro" accounts ($19/year) on day one.
• March 2016: The official iOS app launched. Before this, the site was mobile-optimized but web-only. The app streamlined the "logging" experience, making it easier to record a movie immediately after walking out of the theater.
• 2017-2019: Growth was steady but organic. The team remained small (still operating out of the Cactuslab agency) and resisted taking Venture Capital money. This allowed them to avoid "growth-at-all-costs" tactics that often ruin user experience.
• 2020: The Pandemic Boom. With the world in lockdown and everyone streaming movies, Letterboxd became the digital watercooler. User numbers doubled from 1.8 million to over 3 million in a single year.
• 2021-2022: The "Letterboxd Effect" became real. Celebrities and directors (like Margot Robbie and Christopher McQuarrie) began using the app. The platform hit 1 Billion films logged by members.
• September 2023: In a massive exit for a bootstrapped side project, the founders sold a majority stake (60%) to Canadian holding company Tiny for an estimated $50 million (approx. $80m NZD). The founders retained a minority stake and continued to run the company.

Letterboxd proves that the best businesses often start as passion projects designed to scratch the founders' own itch. By building a tool they personally wanted to exist—rather than chasing trends or trying to "disrupt" a market they didn't care about—they built a product with soul. If you love what you’re building, you have the patience to stick with it long enough for the rest of the world to catch up.