A rare inside account of innovation at the sharp end of global technology. Tracking a Cambridge startup's real-life journey to bring a breakthrough electronic component to the world's smartphones, Tony Golding reveals how innovation really happens. From early promise and hard-won credibility to securing a coveted place inside handsets produced by China's national tech champion, Down to the Wire provides an inside look at high-stakes entrepreneurship. But, just as success comes into view, rising geopolitical tensions between the United States and China intrude with devastating effect, demonstrating how international politics can derail even the most innovative company.   Readers are guided clearly and without jargon through the technology and business dynamics behind the device we all carry every day. Part business narrative, part technology explainer and part cautionary tale, Down to the Wire is essential reading for anyone interested in entrepreneurship, innovation and the hidden forces shaping our digital world.