Following its purchase of IBM’s Personal Computing Division for $1.75 billion in 2005, Lenovo faced numerous system integration challenges. Without its own IT infrastructure in place to support a worldwide business, Lenovo had to operate its new global supply chain on legacy systems. Outsourcing core systems was too expensive at the time. Because of their inflexibility, the legacy systems could not be scaled to handle the growth in operations—so operations were handled using manual-based processes.