It's pretty obvious what comes next, via extrapolation -- from past turns of the wheel in software.
What comes next is an easy way for the generation of people who grew up on Facebook to create their own social networks, accessible only by the people they want to share it with.
A somewhat easier to use version of what AWS is today will be the platform.
And Harvard dropouts of the day will create AMIs their friends will configure cleverly.
The art in this new way of doing things will be clever twists on "share."