I just had a major ah-ha moment with regards to the utility of Linux workspaces.  If you’re not familiar with workspaces, here’s a background.  Workspaces are a way to preserve your valuable monitor space through the use of a series of different concurrent desktops.  When you have multiple applications open, you have the opportunity to allocate one or more of them to a unique workspace and quickly switch between the two using CTL + ALT + Left/Right Arrow keys.
Up until now I’d seen this as a potentially useful feature, but …