Final answer:
Wireless communication has the biggest impact on benefits administration by enabling cheaper, faster, and better-quality data transmission, leading to spin-off technologies like free Internet-based calling and video calling.
Step-by-step explanation:
Out of the given options, wireless communication has the biggest impact on benefits administration. It allows for cheaper, faster, and better-quality data transmission, which leads to spin-off technologies like free Internet-based calling and video calling. These advancements in wireless communication enhance the efficiency and effectiveness of benefits administration processes.