Apple has retention issues with users due to excessive lock-in and control; Snow Leopard suffers from more bugs

Mind Control: To control mental output you have to control mental input. Take control of the channels by which developers receive information, then they can only think about the things you tell them. Thus, you control mindshare!

Database security is the single biggest concern with today's Web-based applications. Without control, you risk exposing sensitive information about your company or, worse yet, your valuable customers. In this article, learn about security measures you can take to protect your PostgreSQL database.

"...When you turn on your computer, you’re making a political statement. If, like most people, your computer boots Microsoft Windows, the statement you’re making is that transnational corporations should control access to the most powerful public media that ever existed.

I've been using a small utility called eee-control on my Asus Eee PC 901 netbook with Ubuntu. eee-control lets you take control of the hardware on Eee PCs.

Gnome Nanny is a parental control system. By using Gnome Nanny you can easily control what your kids are doing in the computer. You can limit how much time a day each one of them is browsing the web, chatting or doing email.

This how to show you how to control a remote computer with Gnome VNC Server,also how to configure your computer to allow users to control it remotely.
This tutorial available also in video format

Allowing free access to ActiveX Control content, can be a security risk. ActiveX can be used to deposit spyware, adware and other malware into users system, when they visit innocent looking websites. A google search for dangers of activex would be very informative.

Remote Desktop Control displays the screen of another computer (via Internet or local area network) on a local screen. This type of software enables users to use the mouse and keyboard to control the other computer remotely. It means that a user can work on a remote computer as if he or she was sitting directly in front of it, regardless of the distance between the computers.