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When attaching images, you can adjust the image size, apply borders to the image, set alignment and text wrap, add captions and more. Images can also be added inline to content as well, without altering line height and spacing.
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Files
Files are presented differently depending on the filetype. If it is a supported filetype, a preview will appear. The display can be set as well, providing the ability to either set it inline or card format.
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Mentions 
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Mentions provide the ability to dynamically list individual users on a page. When a user is mentioned on a page, they will receive a notification. Whenever they view the page, their name will be highlighted where used.
Emojis 
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Emojis allow you to add spark to your content, giving you the ability to break away from monotonous text on a page. Such can be used to grab attention to certain topics, high priority tasks, and other items.
Example:
Q2 Targets 🎯
Increase sales by 10%
Increase profits by 5%
Q1 Accomplishments 🏆
Record sales!
Employee retention +15%