This will be a nice experiment. As a UI designer, I am always looking for part of the interface that are not used much and replace them with what is used more o

This will be a nice experiment. As a UI designer, I am always looking for part of the interface that are not used much and replace them with what is used more often - so this thing totally makes sense. It will be interesting to see what it results into - a frustrating experience or more vertical space and distraction free UI.