If you don't want websites tracking you, and you don't want the pages you view to be saved in browse or search history, you need to active the incognito mode and this is what you need to do.
Windows 7 have a nifty feature which combines the windows of opened applications under the same taskbar button. If you don't like it you can always turn it off.
Microsoft introduced details of their novelty that is suppose to be a part of the reason why 2012 is going to be the most epic year in Microsoft's history.
If you don't have installed program for editing PDF documents on your computer, then you can use web application PDFescape which allows you to edit your documents in your browser.
A bit longer Photoshop tutorial, but still very suitable for beginners, where you will learn how to carve a random text into human skin from scratch and make it look realistic.
One of my all time favorite cartoons Monster Inc. just got a prequel called Monster University and the awesome Pixar guys showed us how the cartoon is made.