Originally Posted by quantum-x

Look, I was nice enough to share the tip.
Obviously, you don't understand how it works, or you'd have thought of it before, or would already be using it.

You can either a) use the tip, and hit google for 5 mins to learn about cookies, or
b) Be skeptical, and learn nothing.

I don't like coming across as a keyboard warrior, but replies like this really reduce my inclination to help anyone.