[ Thanks to Chris7mas for this link.
]
“5. It comes with desktop effects enabled by default on
Intel graphics card; if you have a powerful nVIDIA you’ll have to
install the driver graphically, very easy
6. Ubuntu uses the powerful packaging system used by Debian: APT
(Advanced Packaging Tool), which is very powerful and easy to use,
either using a GUI frontend like Synaptic or via command-line
7. You can enable only the repositories containing free software,
or you can use third-party repositories like Medibuntu.org, which
include closed-source, patented software too”