This is the new 'Subject Select' tool in Photoshop CC ...

MICHAEL ZHANG, PETAPIXEL:

Adobe just revealed a powerful new tool that’s coming soon to Photoshop CC. Called “Select Subject,” it uses machine learning to detect subjects in your photos to help you isolate them from the backgrounds.

These days, making a selection of a subject in a photo is usually done with tools such as Quick Selection, Magic Wand, Pen, and Lasso.

The Select Subject tool will revolutionize how selections are made by allowing you to create a usable starting selection with just a single click.

Learn more, from here.