I really would like to see google maps to make use of 3d touch to make zooming easier. Moving the finger up/down while pressing would zoom in/out. That would make one-finger usage of the maps so easy.
I have the 3D thing on my macbook trackpad (force touch) and I have it turned off. Unfortunately the click on the trackpad is triggered by the same mechanism, which means detection of the click is effectively handled by software.
The net result is that, unless you make distinct actions when moving between a zoom and a click, the OS can't tell when the scroll ends and the click begins. I work in CAD software where it's really common to zoom out and roll straight into the click and drag (pan) but it's an absolute nightmare on this trackpad.
The worst part is, I can't even use it as a regular trackpad with tap-to-click only, because the pressure sensitive clicks can't even be completely disabled.