Secret London is a Facebook group started by 21-year-old Bristol University graduate, Tiffany Philippou, on 19 January 2010 in response to a Saatchi & Saatchi competition.[1] The group grew rapidly (180,000 members as of 8 February 2010[2]) and is composed mostly of Londoners who use the site to share suggestions and photos of London. After the group's early success, the founder announced her intention to launch a website of the same name by crowdsourcing the design and development.[3] The website was launched on 16 February 2010.[4][5][6][7]