On April 29, 2016, Microsoft released two new services into public preview: Microsoft Flow and PowerApps. This is a milestone for Microsoft in its current drive to give power users the tools to create no-code solutions that connect to external data sources not only within, but also external to, the Microsoft eco-system.
Read the rest of the article I wrote for IT Unity at https://www.itunity.com/article/microsoft-flow-powerapps-public-preview-3261.