English 
Linkedin just reached 1 million users in France, 10 months after the French version was released (Facebook did the same and is now the 1st networking platform in France. Facebook has 6m members in France – dec 2008).
Created in 2004, Viadeo is a French professional networking plaform which has 2.5 m users in France (january 2009) and 8.5m worldwide. The platform is available in French, English, Spanish, Italian, Portuguese and Dutch.
Want to:
- Sign up? http://www.viadeo.com/en/connexion/
- Visit the coporate website? http://corporate.viadeo.com/