[Vision Thing]

Most screen devices are almost impossible to read in the sun, which means no one uses these devices under direct sunlight.

So the premise of this study — namely, we may get skin cancer from using mobile devices in the sun — never really happens in real life.

[fini]

"Most screen devices are almost impossible to read in the sun, which means no one uses these devices under direct sunlight. So the premise of this study — namely, we may get skin cancer from using mobile devices in the sun — never really happens in real life."

You don't know that. But give me $2,000,000 and I'll do a study on whether you are correct or not.