Following are the most popular social networking sites on the Web along with many innovators (in alphabetical order). There are many more, and sites emerge and wither away all the time. For more on social networking sites, see
social networking service.
THE PIONEERS
www.facebook.com Most popular
www.friendster.com (defunct)
www.myspace.com Became a music site
www.tagworld.com Personalize content
www.tagged.com Teen groups
GENERAL PURPOSE
www.cyworld.com South Korea
www.hi5.com Global reach
www.ning.com Create own network
www.orkut.com Communities
www.vk.com Russia & environs
www.xanga.com Popular with teens
SPECIALIZED
www.asmallworld.net Invitation only
www.bebo.com Students, U.K.
www.classmates.com Students, military
www.geni.com Genealogy tracking
www.librarything.com Online book club
www.pinterest.com Photo sharing
www.reunion.com Find classmates
BUSINESS
www.adgabber.com Marketing
www.linkedin.com People networking
www.ryze.com People networking
www.sermo.com Licensed doctors
www.spoke.com Find people
www.xing.com People networking
MOBILE ORINETED
www.gab.com Short messages
www.parler.com Short messages
www.share.ovi.com Media sharing
www.x.com (Twitter) Short messages