ISO Questions

1.  It would be better to take a photo of a sporting event or night football game with the a higher ISO, because It captures the image pop out more and is more sensitive to the light so you see more details (Noise)
2. The suggestions the author makes are things like; At a scene where you want to capture more detail or have you image stand out more, you would use a higher ISO.
3. The author also suggests that if you want to take a photo that has or shows less Noise or detail then you would use a lower ISO.