Bookmark Oriented Social Media Websites

Social bookmarking sites can help creating inbound links.

Most of social bookmarking sites have the following steps:

1- Register an account.
2- Suggest a URL
3- Get bookmarked, (digged...)

Below a list of the most popular as per OnlyWire:

Ask

Bebo

Bibsonomy

Blinklist

BookmarkSync

Connotea
Delicious

Digg

Diigo

Facebook

Fark

Faves

FriendFeed

Google Bookmarks

Hi5

Jumptags

LinkaGoGo

Mister Wong

Mixx

Multiply

MySpace

Newsvine

Plaxo
Plurk
Propeller

Reddit

Simpy

Slashdot

Spurl

Stumbleupon

Tumblr

Twitter

Yahoo Bookmarks