Which of the following is NOT a recognized benefit of video conferencing?

The reason the answer is C, "Requires specialized equipment," is that while there may be certain instances where advanced technology is necessary, video conferencing is generally designed to be accessible and convenient, often requiring only a basic device such as a smartphone, tablet, or computer with internet access and a webcam. Many modern platforms offer user-friendly interfaces and can work with commonly available equipment, making video conferencing more approachable for users without the need for extensive or specialized setups.

The other options reflect clear benefits of video conferencing. It is cost-effective by reducing travel expenses and allowing remote interactions. It facilitates impromptu communications by enabling quick, real-time conversations without the need for travel plans or scheduling hurdles. Additionally, it provides easy access for individuals with internet access, enhancing connectivity among participants regardless of their physical location.