When you are at a conference (either in person or online) you can quickly take a picture of the presentation screen and add it to your notes in OneNote. You can take notes on PC or tablet, and grab the screens with your smartphone. It all syncs beautifully.
For more info, read my blog: https://mydigitalworkplace.wordpress.com/2019/02/03/using-onenote-during-a-conference/

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