The simulator called LOLA was built to study problems related to landing on the lunar surface as part of the Apollo program. You will also see the original video of how the simulation actually looked like.
If you don't want others to use your photos and images without your permission, you can create a so called custom watermark with your name or any other text you want.
Sometimes we don't want others to know about our newest relationship gains or losses. This is the way your friends and other Facebook users won't even notice it when you change it.
VMware player is a great free tool for creating virtual machines and desktops. For instance, you can create a new virtual computer to install and test the new Windows 8 Consumer Preview.
