The document outlines key megatrends impacting the IT landscape through 2015, emphasizing the importance of analytics, big data, mobility, and security as business leaders adjust to new market dynamics. It highlights the need for effective exploitation of big data among Fortune 500 companies and the increasing investment in cloud technologies. Additionally, it discusses IBM's technological transformations, including the introduction of the Watson system and future learning systems, as well as the anticipated growth in IT spending in emerging markets.