They've been tagged the "Social Games," and the Michigan athletes got right into it during and after the opening ceremonies on Friday.
"Had a great time! Was an amazing experience! USA, USA, USA,!" tweeted Claressa Shields, the Flint boxer.
Canton swimmer Allison Schmitt posted photos of herself in the Ralph Lauren Team USA attire.
And gymnast Jordan Wieber tweeted that she was watching, on TV, with teammates; she competes on Sunday.
Here, via Storify, we've gathered a collection of YouTube videos, Twitter tweets, Facebook posts and Instagram photos — mostly from or about Michigan athletes — from the opening ceremonies.
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What was your favorite part of the Summer Olympics opening ceremony?