It can be ugly and almost as old as the Internet and become one of the biggest success of the Web 2.0.Having conquered the Americans, the service free classified ads relocated Craiglist itself in seven cities and two French regions. Founded in 1995 by Craig Newmark, the list of "Craig" was originally a simple list of web casting to which each member could send its own ads: festive cultural event, job search ...The categories have proliferated, ranging from ads in meetings via the forums.

But the service has remained effective through an interface without embellishment and a simple rule: once inscribed on craiglist.org, a city and a category are assigned to the announcement. Initially restricted to residents of San Francisco, Craig list now covers over 450 cities, and is revenue largest service classifieds in North America. Far before eBay, which owns 25% of Craig list.A sign.