TANSTAAFL

- It won’t hurt, I promise.
- But you are invading my privacy!
- Not at all, it is just a probe, it is not like if I used my bare hand or such. This red light will tell me if there is something shitty inside your computer. That’s all.
- Should I take your word for it? […]

Let’s pick Google as a representative of a “free” search engine. Despite providing a free service, Google’s value has been rising rapidly and today it is comparable with IT industry giants like Microsoft. How does a search engine make money? It’s really quite easy…