Here’s how it works:

1. highlight the text U wish to comment on (this will be displayed above your comment);

2. click the little Speech Bubble icon that appears;

3. this brings up an expandable LaTeX and Markdown supporting text box to the right;

4. type and format your message;

5. adjust the privacy settings, and then post!

Generate faster edits, better insights, and even community feedback without long email chains or multiple versions to resolve, all in the comfort of your browser.