1 Select Copy files to iTunes Media folder when adding to library to store all of your media files in the iTunes Media folder. 2  With all of your files in one folder, you can easily transfer or back up your media. 3  If you import media into iTunes from a CD, it's automatically added to your iTunes Media folder.
The average human head weighs 10 to 11 pounds. That is about 8 percent of the weight of a human body. The average adult human brain only weighs about 3 pounds, so most of the weight in the head consists of the skull and other fluids. Continue Reading.
A recent study published in the journal 'Surgical Technology International' shows that when you are standing or sitting straight your head weighs, 10 to 12 lbs. on average. But if you lean 15 degrees forward, the head weight is more like 27 lbs. With a 30-degree tilt, 40 lbs. A 45-degree angle and it feels like 49 lbs. And when you are hunched over at a 60-degree angle looking at a mobile device your head puts a 60 lbs. strain on your neck.