If you haven't used SightSpeed, a free, web-based video chat and conferencing service, definitely try it. The video is completely high-quality, and it's easy to post video and share links with others. GigaOM notes that later this week SightSpeed will deliver a Linux version, which may be particularly good news for owners of Linux-based netbooks, such as the Asus Eee PCs, which typically don't have the resources that more expensive notebook systems have. Check out more from GigaOm.