Guys you must be known about the changing phase of interne marketing world and as new update and algo emerges form the side of Google rumors spread that soon SEO is going to end, no more scope in seo etc etc.
But actually thing is that with each algo search engine result get refine and more filtered in order to get correct, accurate information to the people and on the other hand SEO gets tough because each algorithm bring some restriction and rules by which seo activities get though.
As compare to earlier, SEO optimization its totally change now SEO is just about quality content and link.