study:
Sound Output Levels of the iPod and Other MP3 Players: Is There Potential Risk to Hearing?
via Guy Kawasaki
study:
Sound Output Levels of the iPod and Other MP3 Players: Is There Potential Risk to Hearing?
via Guy Kawasaki
On the maximum saturation point:
If a new blog is being created every second, it’s worth mentioning that one is being abandoned every 1.5 seconds.