Social bookmarking is a very smart web tool to get your new content indexed, where others share their links with purpose to recommend one another good sites to visit. These bookmarking sites have a high page rank and also great traffic.
Here is a list of most popular Do-follow High PR Social Bookmarking Websites, which is a constantly updated. If you know a website that should be included or removed on this list. Please Let Us Know (firstname.lastname@example.org).
http://www.reddit.com - Reddit is a leading social news bookmarking website launched by Alexis Ohanian and Steve Huffman in 2005.