What exactly IS a Universal Windows Platform (UWP) app?

[Windows Central]

Is Spotify for Xbox a Universal Windows Platform (UWP) app? You bet, and today we explain what exactly makes a UWP app UWP.
Writing about technology is often a balancing act. Some people want general tech news, while others want deep dives. When it comes to software and OS development, as a non-programmer I often find myself in over my head. That's why UWP is such a steamy mess to talk about for the "prosumer."
Today, I'm going to chip away at this monolith of a topic.

Full story from the WindowsCentral blog...