Over the weekend I was asked twice about social bookmarking and links, and whether or not those social links have SEO value.
I find that the answer to this question is detemined on how one values SEO and linking. Sure, some of the links from bookmarking sites do not use nofollow, and this may help with your search rankings and inbound linking. I’m a big fan of the verticalization of linking, so I believe that if a niche social media site links to a site which shares its same vertical niche and target, the link is worth more.
The Power of the Profile
Futhermore, social media profile pages can still send some nice juice to the website linked to from that page. If the profile is REAL and active, chances are the link will be worth more. Setting up social media profiles across social sharing and video sites is always good for branding, as an image can be uploaded to the profile and sometimes those profiles will rank well for a brand name, especially Twitter profiles. I highly suggest registering your brand across social media sites for the brand-value, and before