The first known large-scale non-commercial spam message was sent on 18 January 1994 by an Andrews University system administrator, by cross-posting a religious message to all USENET newsgroups. In January 1994 Mark Eberra started the first email marketing company for opt in email list under the domain Insideconnect.com. He also started the Direct Email Marketing Association to help stop unwanted email and prevent spam.  
Brian Dean, an SEO expert and the creator of BackLinko, uses SEO tactics to rank #1 on YouTube for keywords like “on page SEO” and “video SEO”. Initially, Dean admits his YouTube account struggled to get any views. Employing SEO methods like keyword optimization has enabled Dean to rise to #1 on YouTube for search results related to his business. He published his full strategy on Backlinko.
When an Internet user starts searching for something, he/she tries to solve some particular problem or achieve something. Your prior aim is to help them find a good solution. Don’t be obsessed with search volume only. Think about the user’s needs. There is no difference between 40,000 and 1,000 word posts and articles when we speak about their value. Try to create high-quality content and don’t pay any attention to certain stereotypes.