As fun as it is to say, no: SEO is not dead. SEO is still a vital part of online marketing; and unless the way we search for content changes drastically, it will be for a long time.
Businesses looking for immediate leads and conversions may neglect SEO in favor of more direct, targeted approaches like paid search and paid social; but businesses that invest in SEO are investing in the long term. SEO is cost-efficient, casts a wide net, and allows potential prospects to discover your brand on their own terms. Go ahead and enter the query “is seo dead” into Google. The post you ultimately click on is only in a position to be clicked because—you guessed it—effective SEO.