An amazing tool for sharing what's on your screen live over the Internet. Just share a link to see.
You can even take control of the remote computer to fix any problems (user has to agree to this).
http://ictmagic.wikispaces.com/ICT+%26+Web+Tools
Greenshot is a revolutionary screenshot tool optimized for productivity.
* Save a screenshot or a part of the screen to a file within a second.
* Apply text and shapes to the screenshot.
* Offers capture of window, region or full screenshot.
* Supports several image formats.
"A very useful tool to capture videos of your computer screen, webcam and audio as a shareable upload which can be downloaded for offline use and editing."