- Search Bar
- Input: Text, Clicking
- Output: Links
- It wants: searches related to friends or pages; it seems to presume what we’re looking for
- Newsfeed
- Input: scroll, like, comment, share, react
- It wants: to react, to see more
- Notifications
- Input: clicking
- It wants: generate more information; post more so that you get more notifications; feedback loop
- Messenger
- Input: text, plus button, images, camera, thumbs up, microphone
- It wants: communication, click the plus button