Hey I just came up with the easiest method of growing your Web Portfolio. Web Site Swapping. You give me yours and I give you mine. Come check it out in my signature. What do you think?
Nothing new here. And the fastest way to build links in not necessarily the best way. Remember, it's quality and not quantity
Social bookmarking is good for indexing in search engine. Article submission is (For article directories) is good way for building inbound links.
but most of the social bookmarking and commenting sites have nofollow links, what to do in that case ?
Social Websites are great. On the business side, I used LinkedIn, Plaxo, Ecademy, FastPitch, etc... Blog Articles and Social sites are key.
Talk about your devalued links Same IP, same pay level domain, no gain. I doubt automating your link campaing like that works for a serious business (possibly for no-rep no-care personal blogs or MFAs).
I agree with contentboss comments about blog automation. In the future though automation may not be looked on favorably as the algorithms evolve.Make hay while the sun shines.