The integration of information technology (IT) into business practices has been a defining characteristic of the modern economic era. From automating routine tasks to enabling entirely new business models, IT's influence is pervasive and profound. This review examines the key literature concerning IT's impact on business, arguing that while initial benefits focused on operational efficiency and cost reduction, contemporary scholarship increasingly highlights IT's crucial role in strategic decision-making, competitive advantage, and organizational transformation. Early literature, prevalent through the 1980s and 1990s, often framed IT as a tool for enhancing productivity and streamlining workflows. Works by Davenport (1993) on process innovation, for instance, demonstrated how IT could fundamentally reengineer business processes, leading to significant gains in speed and accuracy. Similarly, research on Enterprise Resource Planning (ERP) systems, popularized in the late 1990s, underscored the potential for integrated IT systems to manage core business functions like finance, HR, and supply chain more effectively, reducing redundancies and improving data visibility.
As the digital age matured, so too did the understanding of IT's strategic potential. The rise of the internet and subsequent digital platforms shifted the focus from internal efficiency to external competitiveness. Porter's (1980) foundational work on competitive strategy, while predating widespread internet use, provided a framework that later scholars adapted to analyze how IT could be leveraged to achieve cost leadership, differentiation, or focus. Malone and others (1987) explored the concept of "electronic markets," predicting how technology would disintermediate traditional channels and create new forms of value exchange. Later, scholars like Afuah and Tucci (2001) began to articulate how the internet enabled new business models, particularly in e-commerce, transforming customer relationships and market reach. This period saw a significant shift from IT as a cost center to IT as a strategic enabler, crucial for market entry and survival.
The 21st century has witnessed IT becoming an intrinsic component of organizational strategy, deeply interwoven with innovation and adaptation. The advent of big data analytics, cloud computing, and artificial intelligence has moved the discourse beyond mere adoption to sophisticated utilization. Research now explores how firms can harness these technologies to gain predictive insights, personalize customer experiences, and drive innovation. Christenen's (1997) seminal work on disruptive innovation remains highly relevant, as IT continues to be the engine behind new market entrants that redefine established industries. For example, the rise of streaming services like Netflix, powered by advanced IT infrastructure and data analytics, has fundamentally altered the media and entertainment landscape, illustrating IT's capacity for market disruption. Furthermore, studies by Brynjolfsson and McAfee (2014) on the "second machine age" emphasize how digital technologies are not just automating tasks but are increasingly capable of cognitive functions, necessitating a re-evaluation of human roles and organizational structures. This necessitates a strategic approach to IT investment, focusing on agility, scalability, and the ability to adapt to rapidly changing technological paradigms.
In conclusion, the literature on information technology in business demonstrates a clear evolution from viewing IT as a tool for operational enhancement to recognizing it as a fundamental driver of strategic advantage and organizational transformation. Early emphasis on efficiency and cost reduction has given way to a more nuanced understanding of IT's role in enabling new business models, fostering innovation, and shaping competitive landscapes. As technology continues its rapid advance, future research will undoubtedly explore the ethical implications, workforce adaptations, and systemic risks associated with an ever-more digitized business world, but the foundational impact of IT on business strategy is firmly established.