Why do people use AirDrop?

Why do individuals opt to utilize AirDrop? Could you please elaborate on the reasons behind its popularity? I'm particularly interested in understanding the convenience it offers and whether there are any security concerns associated with its usage. Additionally, I'm wondering if it's widely used among different age groups or if there's a specific demographic that prefers this method of file sharing. Finally, do you think AirDrop will continue to be a preferred choice in the future, given the rapid advancements in technology?