There are two benefit of using social bookmark
1. It can help you to drive organic traffic. because with more traffic, you'll have more chance to get more sales
2. The social bookmark will also help you to boost your google rank, the desired effect will be to be more visible on search engine. because like i said above, the more visibilty means more traffic, and with more traffic, you'll have more chance to get sales or improving your business.
If you need ahigh quality social bookmark, simply follow the link and with my help, i'm sure you can boost your google rank further than before