What does black hat SEO mean?
 

Black hat SEO refers to the numerous techniques considered unethical and illegal by search engines. A website can be punished and served a penalty notice for using these SEO techniques. So be wary about using black hat SEO techniques and if you aren't sure what they entitle, here's a list to help (Please feel free to add to it, if I miss something)

1. Hidden text /links
2. Duplicate content
3. keyword stuffing
4. Alt tag spamming
5. Meta tag stuffing
6. Title tag spamming
7. “Gateway” or doorway pages
8. Cloaking
9. Article Spinning
10. Link Farm
11. Purchasing expired domains
12. Spam in comments
13. Mirror websites
14. URL redirection
15. Hitting trackbacks

You shared quiet well information about Black Hat SEO, From here you also learn some more about Black hat SEO.
http://en.wikipedia.org/wiki/Black_hat_seo
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Black hat refers to the unethical SEO techniques in which it doesn't follow the search engine guidelines and your website may be banned by search engine because of using black hat techniques.

Black hat used by people to get instant result but as I mention it is bad technique it gives you only short term result.

Hi guys, glad you liked what I posted on black hat SEO. Hoping you'll benefited from this and remember if I've missed something please feel free to add and educate us all... Cheers!

Black hat SEO is an unethical SEO technique which includes keyword stuffing, keyword cloaking, spam linking, etc. Avoid this technique, as it get you website banned from search engines.

Actually there are many activity which working as black hat. Those technique of SEO isn't working as organic those are called black hat SEO. Thanks for sharing some special terms.

Basically, Black Hat SEO is the unethical way of doing SEO, it has a high chance of getting a website penalized.

"Black Hat" search engine optimization is customarily defined as techniques that are used to get higher search rankings in an unethical manner. These black hat SEO techniques usually include one or more of the following characteristics:

breaks search engine rules and regulations
creates a poor user experience directly because of the SEO techniques utilized on the Web site
unethically presents content in a different visual or non-visual way to search engine spiders and search engine users.

This information is very easy to understand for beginners.

"Black Hat" search engine optimization is customarily defined as techniques that are used to get higher search rankings in an unethical manner.

In a simple way we can say that Black hat SEO is the wrong way to create many back links in short time of period, and it creates negative effects for our website. Sometimes website banned by Google for using this type of SEO techniques.

it seems that black hat seo will disappear slowly...

working, against the search engine policies is called "balck hat SEO"

If you want to find out more about blackhat seo, I would recommend joining the best blackhat forum (http://www.bestblackhatforum.in) They cover methods and tools on blackhat/whitehat SEO and also other making money online techniques.

Basically, Black hat SEO is an unethical method for SEO which will get penalized.