Craigslist is a central network of online communities, featuring free online classified advertisements and forums on various subjects. The service was founded in 1995 by Craig Newmark in San Francisco.
As of 2012, Craigslist has established itself in over 650 cities throughout 60 countries. The site serves over 20 billion page views and more than 60 million unique visitors each month, placing it in the top 10 of all websites in the United States. Now one of the most prolific job boards in the world, Craigslist is home to 40 million new classified advertisements and over 2 million job listings every month.