Q: What is hacking?
Ans: i have posted an article in my blog. Here is the link http://hackedplanet.blogspot.com/2012/03/hacking.html

Q: Do free keyloggers are good?
Ans: No, You should not go for free keyloggers. Free keyloogers in Internet may contain malwares bind with the setup of free keyloggers. You can try the trial versions of the premium keyloggers.
 Know more about keyloggers from http://hackedplanet.blogspot.com/2012/03/keylogger.html

Q: What is phishing?
Ans: Read everything about phishing from http://hackedplanet.blogspot.com/2012/03/phishing.html

Q: What are anti-malware softwares? How to use them? From where to download good anti-malware?
Ans: Anti-malware are the softwares that prevent your computer from malicious softwares.
you can read more about anti-malwares from http://hackedplanet.blogspot.com/2012/03/anti-malware.html

Q: What are the various methods of hacking facebook?
ANS: Hacking is a very vast concept which cannot be describe in number of ways. Although you can learn some of the basic techniques that are common in the new hackers. But you have to explore the new techniques and tools by yourself, may be in future you will create some good tool. But for that you need to learn some programming languages, Start with HTML.

Q: What is TELNET? What are the security issues in telnet?
ANS: Telnet is one of the network protocol whose work is for sharing information over Internet or LAn using that command line.
Security is very much compromised in the telnet. Data is not encrypted when sharing.
Some people still use this tool with some different techniques to hack the computers.

Q: Does social engineering and brute forcing techniques proved to be efficient in the world of hacking?
ANS: Social engineering and brute forcing are the techniques that are very efficient if you uses these techniques in with good efforts. Yes, i agree that these techniques need some time and efforts, but at the end the success will be all yours.