The ability to rotate a video clip by 90, 180 or 270 degrees.
Thanks to this Chrome extension you can finally fix the know VSS problem, that you see sometime on YouTube™ videos.
It's finally here, the "Rotate that Video Player":
✓ Easy rotate the video player on YouTube, thanks to the slider
✓ Move the movie player more with an extra slider
Never heard of the Vertical Video Syndrome (VVS)?
Vertical Video Syndrome (VVS) is a fictitious disease which satirically claims that those afflicted can only shoot videos in a portrait orientation, as opposed to the more viewer-friendly landscape mode.
See also this most popular browser extension: Turn Off the Lights