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If I host my blog on my corporate site (it is a wordpress blog) will the page authority and page rank of my site translate to the blog?  And does this also go the other way around?  My gut says this would make sense, and I think I have seen it in action with other corporate sites that host their wordpress blogs, but I want to be completely sure.  Even better, if someone can explain to me how this works, that would be super helpful!

I was researching the link profile of Reverbnation to understand where they get most of their links from and a number of these fake reverbnation profiles showed up that seem to be about drugs- is this spam?

Here are some examples:

http://www.reverbnation.com/fan/tramadolfordepression

http://www.reverbnation.com/page_object/page_object_bio/fan_1340318

There are about a dozen of these on their site.

Super curious and would love any feedback or knowledge that may be out there!

Thanks