Project Loon Technology

Project Loon is Google's initiative to provide internet connectivity to remote and underserved areas using high-altitude balloons. It operates in the stratosphere to deliver wireless broadband internet coverage. This is a wireless communication technology project aimed at bridging the digital divide globally. Options (a), (c), and (d) refer to different technologies not related to Project Loon. The project uses balloons equipped with communication equipment to relay internet signals, making it a novel approach to wireless communication and connectivity.

Answer: (b).