Help me Of the following examples, which would be the most significant benefit of advancements in touch-screen technology?

A heart surgeon could practice a complicated procedure using a stylus and 3D image of a human heart.

A kindergarten student could drag and drop letters into their appropriate spots, creating a powerful educational link in their minds.

A scientist could break apart a 3D model of the human cell and study each part independently to get a better understanding of how the body works.

A basketball coach could demonstrate plays to his team in 3D, thereby creating a better visual image in the minds of the players.