Is That a Soft Box in Your Pocket or Are You Just Happy to See Me?

Strobist: Is That a Soft Box in Your Pocket or Are You Just Happy to See Me?:

 
using a cellphone display light for a product shoot from Jann Lipka on Vimeo.

"Jann Lipka, of Stockholm, demonstrates by using his cell phone screen to 'light paint' a photo which was shot with a PhaseOne back. (How's THAT for a budget mismatch!)"