This was a big year for Microsoft. The HoloLens began shipping to developers, Windows 10 made it through its first year intact (though not without controversy), and the company got into the desktop computer market with a stunning mega-touchscreen.

But there were a few key announcements that flew under the radar this year. While they may not have the splash factor of a Surface Studio or HoloLens, these developments have the potential to alter Microsoft and the world for years to come.

Here’s the rundown on what you probably missed.

Microsoft’s new bot tools help build conversation partners

At its Build developer conference, Microsoft outlined a vision for a conversational computing platform. The idea is pretty simple: Traditional user interfaces are hard to understand right off the bat, so we should let people just talk with computers.

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