Now we hear about the IOT or internet of things. Where you and anyone else can access your network from anywhere. That may or may not be such a good thing.What can you do? You can build you own net where you have more control and everything is accessed locally, so the internet being down does not affect what you do.
Basic setup (part 1). http://www.instructables.com/id/Your-personal-intranet-Part-1/
More goodies (part 2). http://www.instructables.com/id/Your-personal-intranet-Part-2/
For small offices and neighborhood setups, these ideas can be a boon to privacy.