Webreports through the years describe craigslist's role in helping accused killers, rapists, robbers and scammers find their victims. As craigslist celebrates 25. Webin 1995, he launched craigslist, a simple online platform where users could post classified ads for free. The site was an instant hit, with users from all over the world flocking to it to. Webthe iconic online marketplace craigslist, with over 50 billion page views a month and over $1 billion in revenue, was named after its founder craig newmark.