50 points please help asap!! I will give brainliest! Of the following scenarios, which is the most significant use of touchscreen technology?
* a music student composing a classical score by dragging and dropping notes onto a staff
* a soccer coach showing his players a complex scoring play in 3D
* a video game developer creating a complicated special effects scene that has never been done before
* a student in rural Africa learning to read by dragging and dropping letters
