Will someone on the internet post specifics on what can be done with these potentially very useful resources and stop talking in vague sounding riddles?
My post and others are short on specifics because there are many services that would take a very lengthy write-up to begin to explain. And what seems useful to me may be meaningless to you and vice versa.
Yes... much of these add ons are about sharing, social networks and your marketing in general. Some of the things I find useful:
I pay $100/year for Dropbox space. I get 30GB of Adobe CC space that works pretty much exactly the same way (with a cleaner interface) included in the subscription.
I believe that the ability to easily create mobile apps through InDesign is a great portfolio distribution tool. I know a small handful of artists already successfully using it. With CC membership you get unlimited free submissions to the Apple App store (if you choose to use that route). Those are normally close to $400 each.
I'm intrigued by portfolio marketing through Behance. That has been about $100/year I think. Now included at no charge with CC membership
You get web hosting on Adobe's rather substantial server network for up to four sites included with the CC membership.
There's a wealth of mobile content creation tools that I currently don't begin to understand. I'm guessing that those that can figure them out and start using them before the rest of the heard will achieve greater marketing impact when trying to promote their work.
Does that help a bit? You really just need to dive in and start poking around. There's a substantial amount of decent free video demos available