Document sharing is SEO technique which are used to generate traffic on a site or back link on site. In document sharing, we can share any document in pdf, ppt, word or in other format on lots of document sharing sites like slideshare, 4shared, 2shared, mediafire e.t.c Now a days pdf submissions is on high demand through which we can generate back link for a site for the ranking purpose. They allow users to upload documents in a variety of formats, including Word (*.doc) Open Office Word (*.odt) and the venerable PDF (*.pdf) Now most people use document sharing sites for, well sharing documents with friends and family, or finding papers and research documents. These document sharing sites have grown to become very large, and have a lot of inbound links. This means they have high PageRank, and often rank very well in the search engines for keyword phrases. You can upload your keyword-based articles to document sharing sites, and rank highly in the search engines. Her...