Internet marketing nowadays includes a wider range of activity than before. It had been possible to develop an internet ranking simply by submitting your web site to several hundred or even thousand directories, requesting a listing. This had the effect of building up your back links, which are certainly needed to rank high.But now this alone is not enough. The back links required by the search engines have to come from different types of source. To name a few:article directories, video sites, and blog directories.