Frank Warren started a website that collects secrets mailed to him on postcards . Comment: When secrets are shared publicly , they can help unite people , he says . Warren : The site has received half a million secrets since its founding in 2004 .
Frank Warren started a website that collects secrets mailed to him on postcards . He says the site is the most popular ad-free blog . When secrets are shared publicly , they can help unite people , he says . Warren : The site has received half a million secrets since its founding in 2004 .