Old Gnome and new Gnome are very different. The old Gnome is now Mate. Also Cinnamon from Linux Mint has captured a large portion of the user base. There is Uni

Old Gnome and new Gnome are very different. The old Gnome is now Mate. Also Cinnamon from Linux Mint has captured a large portion of the user base. There is Unity that comes by default with Ubuntu and many people(like me) are too lazy to switch. And finally, there is up and coming Pantheon from elementary OS. It's largely fragmented I guess...