key stages of the buyer's journey;

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changes in trends in recent years;
new consumer preferences;
transition to inclusiveness;
marketing campaign performance indicators;
different tactics for successful marketing.
Although Marketing 4.0 still remains one of the most popular books in the industry, Kotler continues to develop his ideas in new editions:

"Marketing 5.0" - about the impact of artificial intelligence on the customer experience, biometric data, modern storytelling and virtual reality. The Ukrainian edition is expected in 2024.
"Marketing 6.0" is about the era of metamarketing, the characteristics of new zealand consumer email list generations Z and Alpha, augmented reality, and omnichannel marketing.
It is worth noting that new editions are currently only available in English.

3. Seth Godin – “This is Marketing”
Seth Godin is a famous American entrepreneur and blogger who previously served as Vice President of Marketing at Yahoo.

Seth Godin – “This is Marketing”

In This Is Marketing, Godin focuses on business development as a way to solve customer problems. The core approach is based on empathy, trust, and open communication with consumers, while condemning aggressive methods, manipulation, and spam.