Core Viewpoint - The article discusses the interplay between consumer psychology and commercial strategies, emphasizing how understanding psychological triggers can enhance marketing effectiveness and consumer engagement [4][24]. Group 1: Consumer Psychology - The "Diderot Effect" explains that consumers often seek to acquire additional items to achieve a sense of balance after purchasing a new item, leading to fluctuating shopping decisions influenced by external stimuli [4]. - Freud's theory of personality structure (id, ego, superego) is applied to consumer behavior, where impulsive buying (id) is stimulated by immediate rewards, rational decision-making (ego) is facilitated by comparison tools, and social image (superego) influences luxury purchases [5]. - The concept of "peak-end rule" suggests that consumer memory is shaped by the most intense moments and the final impressions of their experiences, which can be leveraged by businesses to enhance customer satisfaction [8][10]. Group 2: Market Trends and Strategies - The rise of subcultures and niche markets is highlighted, with examples like "Lolita" fashion and Tesla's Cybertruck, showing how social media can amplify niche trends into mainstream phenomena [7]. - The article outlines how community-driven consumption, such as group buying and social media engagement, can create a sense of belonging and drive sales [13]. - The "4 types of human weaknesses" (greed, addiction, laziness, vanity) are identified as key drivers in consumer behavior, with specific marketing strategies designed to exploit these traits [14][15]. Group 3: Emotional and Neurological Influences - The emotional journey of consumers is described through the AIPL model (Awareness, Interest, Purchase, Loyalty), emphasizing the importance of building trust and emotional connections with consumers [17]. - Four key hormones (dopamine, endorphins, oxytocin, serotonin) are discussed in the context of marketing, illustrating how businesses can stimulate these hormones to enhance consumer engagement and purchasing behavior [19]. - Common psychological principles such as anchoring effect, loss aversion, and scarcity are outlined as effective tools in influencing consumer decisions [22][23]. Group 4: Conclusion - The article concludes that modern consumption is a complex interplay of human psychology, marketing strategies, and emotional triggers, suggesting that businesses that understand these dynamics can better navigate the competitive landscape [24].