Craigslist

Craigslist was built to be boring. The design is intentionally plain. No animation, no polished user interface. The site looks like it was built in 2003 because it basically was. Competitors spent hundreds of millions on beautiful design. Craigslist refused to modernize or spend that minimalism became the competitive advantage. Listing a garage sale or an apartment costs nothing on Craigslist. Competitors charged money or pursued VC funding that required scale. Craigslist remained profitable with 50 employees. No ads, no venture capital, no pressure to grow exponentially. Users came because simplicity worked.