SEO Will Shutdown By End of This year?

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Continually Google updates pretending the future of SEO in Darkness. Update No.1 shutdown the "Google Submit URL" tool in previous month. Many other updates which released in this year frankly speaking about what SEO future will?
No problem for SEO because SEO and Social media can still make great allies. Google+ is used to help all companies to boost their SEO with social media playing which is a useful ranking signal. It has never been an official ranking signal right! So it still contributed to online authority. However, Google+ is losing its audience so it didn’t affect SEO even if it was Google’s own network also.
SEO will continue for years but the way we do SEO will be changed. Like we have to do brainstorming with google's rank brain algo and optimise for it.