You know you need to protect yourself against hackers, and probably have anti-virus, firewall, maybe even encryption for your data. But are you safe from the most prevalent threat to your privacy the eavesdropper who simply looks over your shoulder? And don't forget about video cameras they're everywhere. Chances are the things you're doing on your computer are visible to many other people.
What can you do about it, besides living in a cave? Well, Oculis can help give you some peace of mind. Oculis Labs PrivateEye stops prying eyes from reading your screen in places like:
http://www.oculislabs.com/Products/PrivateEye.html