A compelling biography of Mark Weiser, a pioneering innovator whose legacy looms over the tech industry's quest to connect everything--and who hoped for something better. When developers and critics trace the roots of today's Internet of Things--our smart gadgets and smart cities--they may single out the same creative source: Mark Weiser (1952-99), the first chief technology officer at Xerox PARC and the so-called "father of ubiquitous...