❶ 14 of 22 links from PR6 to PR8 social bookmarking sites
❷ High PR (PageRank) Authority sites backlinks
❸ Manual work done with browser only (safe for long term site building)
❹ Popular web 2.0 social bookmark (stumbleupon, delicious, springpad, etc) used
❺ Exposure to targeted Traffic & audience
❻ Approved method to get index & Google SERP (search engine result page) ranking boosting
❼ Google Penguin update friendly & will always safe with future update as bookmarkings were meant for site sharing and submitting. order now
