Update Existing SharePoint Designer Workflows and Nintex Workflows to Microsoft Flow.
Publish the data from SharePoint to your social media channels and other services.
Flow is the same as PowerApps might be a powerful tool for your Power Users. After proper education and training users would be able to create their own workflows for personal use by themselves and share them with other team members or employees.
With all improvements, Micrcrosof made to Flow it now can become a pretty handy tool to build approval workflows and automate any other process. You might found it as a useful tool for power users. And taking in mind Microsoft continues working on extending and improving the functionality - Flow might become a pretty good solution for enterprise needs.