* Guest Blogging - Guest blogging on high PR blog and obtain one way link back to your blog. Why I got my PR in short period? One of the reason is I guest blog in LiewCF.com. Always ask permission to include a link back to yourself when you guest blogging.
* Good Article - Write good content articles make you different from others. Continuously others will blog about your article with link to you.
* Online Contest - An effective technique that used by many bloggers. Launch a contest with interesting prize with rules. Ask participants to blog about your contest with a link to you online contest page.