Daily number of users increases with new contacts like Dan Neumeister & many other new people who signed up now. Linkedin is one of the business-oriented social networking sites, which was established in December 2002 and launched in May 2003. Here you can build up a strong contact by adding new people from different networks of other peoples. Their are many qualified peoples who have more than 500 friends contact in Linkedin & the profile of these peoples shows 500+ contacts which means this people have a powerful community of qualified members.