The diffusion of new technologies, far from a linear march, is a complex social process shaped by the interplay between innovation, the adopter, communication channels, time, and the social system. Diffusion of innovation theory, a cornerstone framework, categorizes adopters into distinct groups – innovators, early adopters, and laggards – and maps their adoption journey through stages like awareness, evaluation, and adoption. However, failed diffusion underscores the influence of factors such as incompatibility or lack of perceived value. Beyond this core theory, models like the technology acceptance model (TAM), the unified theory of acceptance and use of technology (UTAUT), and the cultural evolution theory illuminate different facets of the process. While TAM focuses on individual perceptions, cultural evolution theory highlights the significance of cultural norms and values, explaining the unique adoption patterns of innovations like microfinance. Notably, while emphasizing the role of personality traits, the individual differences approach risks oversimplifying the complexity of social and contextual factors. Ultimately, understanding diffusion necessitates a multifaceted approach, acknowledging the intricate interplay of individual, social, and cultural factors that mold the fate of new technologies in society.