Apex by Ramez Naam
They call them the Apex - humanity's replacement. They're smarter, faster, better. And infinitely more dangerous. Global unrest spreads as mass protests advance throughout the US and China, Nexus-upgraded riot police battle against upgraded protestors, and a once-dead scientist plans to take over the planet's electronic systems. The world has never experienced turmoil of this type, on this scale. Humanity is dying. Long live the Apex.