Here just an introduction to the new Salesforce Lightning Experience - a documentation of the starting point and comparison. Some work is required on our side to make it work nicely ... and we'll have some time until release in October.
(1) Application Selection
The Classic way is that you select the apps in a drop-down (red arrow) and then get the Tabs (blue arrow):
In future you select click on the apps picker and select your application:
and then you get the Apps Menu
... quite a bit of white space.
(2) Object - Record Selection
From the classic style
to the new:
Very nice! In this pre-release version, you cannot define new search views (yet) and the left main menu does not change.
(3) Record Level
Very different - from the classic "long page":
To the new experience:
Looks Great - The major differences:
Very clean and lot's of white space - but no collapsible regions (also not in the detail tab).
So, what are we doing to get ready (and you might be doing to get Lightning ready)?