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Forum signature links is useful to get good PR and and bring visitors to websites. Especially signature links on high PR forum such as dnforum, DP forum etc.

It's difficult to get high PR links. If your site/blog has very good and unique content try submit it to big directories such as DMOZ and yahoo directory. And you can try buy some high PR links to...

Factors infection PR: how many backlinks your site have; backlinks form defferent ips; backlinks from high pagerank sites; outlinks from your site; and your site should not link to banned sites, etc.

You can bulid sitemap using a xml or RSS file. Sitemap lists urls and topics of every pages in your site. Sitemap is very important for SEO. By use sitemap it's more easy for search engines to find...

I prefer Gtalk. But many people still use MSN and Yahoo Messenger. My friends like use MSN. So I have to use MSN and YMessenger most of the time.

Google is much better than yahoo. I myself seldom use yahoo now. But for SEO it's still very important to get good rank in yahoo.

I still use my old yahoo mail as my main mail box. but when apply for new email I prefer gmail.
Gmail looks simple and more faster .

Have you submitted your site to yahoo directory? try submit it. And also submit your site to as more directories as possible. Study sites which have good rank in yahoo on your keywords/topic.SEO in...