Press D to speed up, S to slow down, and H to hide/show the professor's face.
- Since version 1.3, you can also press Z to jump back 10 seconds and X to jump forward 10 seconds.
- In version 1.4, autoplay was enabled by default, but you can disable it by pressing A.
- In version 1.7, the extension was enabled to run in iframes within other websites
- Version 1.9 fixed a bug that was causing the extension to crash VoiceThread when embedded in another page
- Version 1.10 updated to reflect new code from VoiceThread
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