LinkedIn is a social networkig website for people in professional occupatios. It was founded in December 2002, and launched on May 2003. It is mainly use for professional networking; the site is available in English, French, German, Italian, Portuguese, Spanish, Dutch, Swedish, Romanian, Russian, turkish, Japanese, Czech, Polish, Korean, Indonesian and Malay.
LinkedIn has 47.6 million of visitors monthly, and 21.4 are from US.
In October 2008, LinkedIn allowed businesses to list products and services on company profile pages; it also permitted LinkedIn members to `recommend´ products and services and write reviews.
A movile version of the site was launched in February 2008.