Still in beta, LinkedIn mobile offers all of the basic features of the site, including the ability to search profiles, research contacts, invite friends to join and receive regular updates about new network connections.
The mobile version is specially optimized for the iPhone but runs on any WAP-enabled handset. In addition to English, its also available in French, Spanish, German, Japanese and Chinese. In the works are mobile extensions of site features including LinkedIn Answers and LinkedIn Experts. LinkedIn has tripled over the last year to 3.6 million users in January, according to comScore.