Don't bother reading it. Here is the last paragraph.
As apps and data move into the cloud, the traditional
PC metaphors are beginning to lose their relevance.
We're entering the age of the invisible PC: a world
where Windows may soon seem as archaic and limiting
as the mainframes of yesterday. The new computing
model is extending the digital workspace beyond
the desktop to a range of new devices -- including
smartphones, netbooks, and gadgets not even
invented yet. Some of these devices run Linux now,
and many more will in the future. The value
proposition of open source for hardware manufacturers
is such that Linux's future as a vital, thriving
client-side OS is all but assured. It just won't
be on the desktop.
A lot of people don't use Linux.