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Instead of planning for a 3.0 release, GNOME is opting for a gradual, piece by piece updating that will culminate in a 2.30 release. The change in version numbers is significant: It indicates that, unlike with the KDE 4 series, there will be no major break with past releases. This philosophy was obvious long before it became official last summer, and has the obvious advantage of not alienating users.
In my opinion, despite Gnome's incremental approach, they are still highly successive in alienating their users.
The most colossal structures in the universe have been detected by astronomers who tuned into how the structures subtly bend galactic light. The newfound filaments and sheets of dark matter form a gigantic features stretching across more than 270 million light-years of space — three times larger than any other known structure and 2,000 times the size of our own galaxy. Because the dark matter, by definition, is invisible to telescopes, the only way to detect it on such grand scales is by surveying huge numbers of distant galaxies and working out how their images, as seen from telescopes, are being weakly tweaked and distorted by any dark matter structures in intervening space.
Dinosaurs aren't extinct. They've just learned to hide in the trees.