Black Hat was fully explained in the opening post. If anyone has anything different to post other than those like "white hat is good, black hat is bad, it is bad for your site if you use black hat", you are welcome. But please no more repeating the same mantra or variations of it.
Black Hat Seo is really the worse technique of doing seo, t once it may be helpful in driving trafic to your site but by the coming time search engines may even block your sites. 1. Cloaking 2. Keyword Stuffing 3. Hidden text These are some of the unethical ways of seo.
Effects of black hat SEO are very good. It's temporarily not permanently. So don't go with black hat techniques.