Panelize fixes one of Chrome OS's fundamental flaws

If you haven't played with Chrome OS yet, it has one fundamental niggle that harkens back to the DOS days of yore: windows don't exist, and it has no way of displaying multiple tabs on screen at the same time. This means if you want to refer to a document while you compose an email, you need to repetitively switch between tabs -- and I think we can all agree that tab-switching is one of the most