The most recent edition of McKinsey Quarterly includes an overview of “The Internet of Things”—countless tiny sensors embedded in physical objects, all linked and sharing data through wired and wireless networks. Many examples of networked devices have already gained mainstream awareness, such as RFID tags and smart electricity-use meters. But the article also details more obscure applications, such as continuous optimization of manufacturing processes and presence-based advertising. All in all, the article’s authors propose, the resulting network of information will have far-reaching implications for businesses across all industries, and executives should be aware of “the potential impact and opportunities likely to emerge.”