Now that I have the spreadsheet template set, and the created article IDs in the spreadsheet as well, I can update information across numerous articles quickly, whether it is changing metadata, publish/un-publish dates, category, alias, title, everything.
The developer was quick to answer some pre-purchase questions I had before I pulled the trigger on the purchase. I have not had a need to contact for support, so I can't advise about that, but the fact that I haven't needed to contact him says a lot about the product.
If you are looking to build a social site or sub-site. This is the extension for you...