Should I move offices

Aha! Found it - now that I have multiple employees (well, there are just two of us) the 'Research' option has disappeared from the main menu and now appears under a menu I get from clicking on my character:

It seems that it's possible to get each of your multiple employees to research different game elements simultaneously, so while I am researching branching stories, my other employee(s) can be researching something else... like stereo sounds.

Seemingly not - for testing I did the following;

Got to development stage 3 for my new game, which presents a screen as below to assign programmers to World Design, Graphics, and Sound:

As you can see above, I have assigned employees to each area and the only one outstanding currently is Graphics - James E. Garmack. Garmack has the lowest work speed of all three of my employees, so I then moved everybody around a bit without changing any other settings on the screen:

As you can see, the amount of work that will be completed doesn't change. For reference, these are the stats of my employees: