On the lower left, however, the obscure location number has been swapped out for the new "Time to Read" feature, which is exactly what it sounds like: an estimate of how many minutes it will take you to finish the book.
In the lower left is a button that brings up your current location, and in the lower right is a tiny icon that lets you switch to satellite view, to see public transit and traffic information, or to launch the separate Google Earth app.