Rest assured that 98% of people who use key loggers are reprehensible busybodies, if not actually spying on other people with malicious intent. I was a police sergeant for 15 years. I discovered one day that my private emails were regularly being read by my department's immediate supervisor, a major. Eventually, I was able to track down a co-worker and self-styled computer whiz, who'd installed a key logger (at the boss's behest) to capture my password and god-knows-what other information. I was so disheartened by that invasion of privacy and the subsequent cover-up, that I quit my job because I couldn't stand the idea of having colleagues such as these. Personally, I think it's pretty awful that a spouse would sneak around on his/her mate, and I even find it questionable that a parent would resort to spying on their child because it's too much work to raise that child without taking shortcuts. In this age and in our society, it seems no one has a right to privacy anymore and there are plenty of people who would capitalize on that generalized erosion of human dignity. At worst, these key loggers are used to capture passwords and other data, which can be used to control bank accounts, commit identity theft, and steal financial assets. So I don't at all buy the argument that key loggers "aren't so bad."