Lets not forget that it took Fbook over 5 years to figure things like that out.
So if there isn't already someone here working on it, you could very well write up a post on it!
Likewise I believe that you could have like Explorer open at the same time as Firefox and so on.
So that would be like 2 or 3 users up at the same time until one of the people in the programming side of things makes it possible to use extra accounts as "pages" (like of Fbook).
Just a technicality as far as I see it.
Improvise, overcome and adapt!
Do this and you are a money maker, not just a dreamer, but a person who makes dreams come true!
We've seen others do it on Fbook and other networks, why not be one of them,... the people who made it rich using what was in front of them.....
AN OPPORTUNITY!