The team tried all sorts of ideas to grow the user base, all of which proved unsuccessful. That is, until they finally hit upon an untapped-growth gold mine with a brilliant growth hack, which has since become Silicon Valley legend. Using some sophisticated programming, and lots of experimentation to get it right, the team figured out a seamless way to cross-publish Airbnb listings on Craigslist, free of cost, so that whenever someone searched the popular classifieds site for a vacation rental, listings for properties on Airbnb popped up.
