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Firefox Finally Did It (Tab Groups)
(linuxiac.com)
From Wikipedia, the free encyclopedia
Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).
Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.
Community icon by Alpár-Etele Méder, licensed under CC BY 3.0
It’s called the ‘inner platform effect’. They are basically replicating parts of the underlying platform (the OS in this case) inside their own application, until the application turns into a platform itself, one crappier than the one below it. You see this happening with web browsers and ‘web apps’.