How long do reviewers test devices for?

Phonedog is saying typically they have 96 hours to review a phone (before the embargo is released)...that is why they are using it for 30 days as well (30 day challenge)...

Might explain some of Josh's lack of reasoning comes from.

http://www.youtube.com/watch?v=3PsT8o3lVSU&feature=autoplay&list=UUsW36751Gy-EAbHQwe9WBNw&lf=plcp&playnext=1