What's new in Ubuntu 11.10 (Oneiric Ocelot)? [Screenshots & Video]

Ubuntu 11.10 was released on October 13th, and that very day I promptly received a notification from the update manager asking if I would like to update. Two hours later, the downloading and installation was complete. Once I opened it up I found that the user interface had changed completely. 
Below I've listed what really stood out:
Skip to the end to see a video I made demonstrating the UI of ubuntu 11.10

Installing Android SDK developer tools on Ubuntu 11.04 (With Screenshots)

Installing SDK drove me crazy on Ubuntu. The steps weren't clear enough in the official guide and somehow I got off track and got lost in all those steps. Plus, all the "help" on Google was meant for windows. So now that I've finally figured it out, I thought I'd help the rest of you out there who want to install it on a Linux OS, complete with screen shots. After installing, I realized that the steps are pretty much the same for windows, except I was saved from an extra step in the end: installing USB drivers for windows.

The best things on LInux's Ubuntu, which you'll miss on windows.

1. Ubuntu Software Centre.

Searching & installing a program takes a lot of effort. Like when looking for a program what do you do? Googling, check reviews, make a choice, download. Then Run. Install.. you get where I'm going here. So in Ubuntu the Software Centre came as a nice surprise to finding pretty much ALL the applications for your OS in one place, complete with reviews and a download manager.

Just like an app store from your smartphone but