Ubuntu is a free open source operating system, a Linux distribution.

LTS means that it is a Long Term Support release.

It includes a new theme, Ubuntu One Music Store (DRM-free), and is social from the start with integrated support for Facebook and Twitter.

http://www.ubuntu.com/

http://www.ubuntu.com/products/whatisubuntu/1004features

http://en.wikipedia.org/wiki/Ubuntu_%28operating_system%29

I got an SSD and on my computer it boots in 6 seconds! ;)

and is social from the start with integrated support for Facebook and Twitter

Hmm, this seems a bit unnecessary otherwise a good OS - JMO ;)

http://www.ubuntu.com/getubuntu/releasenotes/1004overview

Now with faster booting, cloud computing storage via Ubuntu One and synchronization, etc.

and is social from the start with integrated support for Facebook and Twitter

Hmm, this seems a bit unnecessary otherwise a good OS - JMO

Unnecessary for some, convenient for others.

More and more people are the world are getting computers and internet,

people are getting netbooks which they bring with themselves everywhere,

people are using the computers to socialize and interact and staying connected.

Here Ubuntu is pioneering social network integration.

It is easy to use, but if need help there is a 150+ page manual.

http://ubuntu-manual.org/

Free PDF.

Unnecessary for some, convenient for others.

More and more people are the world are getting computers and internet,

people are getting netbooks which they bring with themselves everywhere,

people are using the computers to socialize and interact and staying connected.

Here Ubuntu is pioneering social network integration.

Well said Eldmannen. ;)