If you’re not in the community optimize the search engine, on January 21 in 2007 probably no meaning for you. However, if you use a search engine marketing or SEO you have probably forgotten, on January 21 as the day that Wikipedia is dead. To learn the eye, Wikipedia is exactly the same as today six months ago. But if you dig beneath the surface and take a look, you can see a difference, has an influence on the world of search engine optimization: NOFOLLOW. Read the rest of this entry »