If you would like to record activity on your screen, just use Screenr without having to install any software to your computer.
Screenr's web based screen recorder makes it a breeze to create and share your screencast around the web. Just click on the record button, capture your screen and voice, share it.
» Share your knowledge on Twitter and Facebook
» Reveal tips, tricks and software shortcuts
» Showcase the ins and outs of new products and apps
» Build brand and expert reputation
» Embed video tutorials on sites and blogs
It's completely Free!