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Helium: A floating browser window for video on macOS OS X
On the of the seven features demoed yesterday for macOS Sierra was Picture in Picture for videos. While this is a productivity catastrophe, it’s a cool feature.
If you don’t want to wait until October for this feature, give Helium a try. It works great with YouTube videos, by taking over the whole window.
Helium
There’s a life cycle for cool apps becoming (easier to use) features in the OS, this is one of those cases.