After the recent updates Panda & Penguin – the web world is shaken. Now most of the old SEO technique is not working and people are trying to get habituated with the ethical SEO practices more and more.
Personally, I think it was a needed step from Google. Just for these updates- now I can say there will be more useful results in searches than the previous years.
Here is a video from the world’s top most SEO specialist- describing how things should go for off page and on-page SEO.