What exactly is a Hacker?

After getting repeated e-mails from people asking me to code software-cracks and viruses, and Facebook messages e.g
Hi! I am “insert name of idiot”, do you really know HACKING!?? Can you teach me how to hack someone’s Facebook or email account?
Damn you! It’s hackers like you who are ruining the world and making the internet a dangerous place!!
Hey! You’re a hacker? Wow, I sure hope you don’t hack my PC.

Simple Reg Hack to Change the IE Title Forever

Change the following registry entry-
[HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main]
“Window Title”=”Insecure”