The site has front-end pages, a registration system, a database, back-end coding, and a way users can connect with each other, which Gao called a “handshake”. Because Gao is leaving, the Winklevosses and Narendra contact Mark Zuckerberg about joining the team. Narendra emails Zuckerberg:
We’re very deep into developing a site which we would like you to be a part of and … which we know will make some waves on campus
Zuckerberg is well-known at Harvard for creating Facemash, a “Hot Or Not” clone for Harvard. Zuckerberg had got in trouble because he had pulled photos from Harvard’s webservers. Even so, the site had been an instant hit.