"Social networking with Social Media Sites, we have all likely heard of it before, but not everyone knows what it means.  If you were asked to explain what social networking was, would you be able to give an accurate definition?  Unfortunately, most individuals cannot, even though it is likely that they have participated in some form of social networking, especially online."

In Applied Tech's "Cool Sites to help expand one's mental horizon's" series for February 2010, we examine social networking, including a description of the popular sites LinkedIn, Facebook, and Twitter.  You'll discover some amazing tid-bits of knowledge and other information to help make sense of it all, as well as "20+ mind-blowing social media statistics" that may help to convince you of the importance of this fast-growing phenomenon. 

This collection by Analytic Graphics Inc. shows real-time (updated every 30 seconds) positions of 13,000 satellites around the earth. The positions come from a government sponsored database which shows all satellites tracked in real-time.

Worldwide Telescope is a free Microsoft application that lets you travel through outer space.  You can pan in and zoom in close to moons, planets, solar systems and galaxies.  Images are taken from the Hubble Space Telescope and ten earth-bound telescopes.  (Introduced by science educator Roy Gould of the Harvard-Smithsonian Center for Astrophysics.)