> Is it being able to arrange more windows on the screen than just side-by-side windows?
Yes.
> Is it keyboard shortcut efficiencies?
Yes.
> Is it just cool?
That too :)
---
Tiling window managers give lots of possibilities for very efficient screen usage: here's my IDE, my terminal, my browser, and my other browser all easily arranged in a nice way.
Plus, i3 also gives you composable stacked and tabbed layouts, for even more flexibilty.
Yes.
> Is it keyboard shortcut efficiencies?
Yes.
> Is it just cool?
That too :)
---
Tiling window managers give lots of possibilities for very efficient screen usage: here's my IDE, my terminal, my browser, and my other browser all easily arranged in a nice way.
Plus, i3 also gives you composable stacked and tabbed layouts, for even more flexibilty.