Wednesday contest!!

Today's contest is a riddle. The first person wo guess the riddle correctly will win a $100 gift certificate, good through July 2007. You cna use this gift certificate for session fee or apply to prints. Submit your answers to stephanie@familyphotosbystephanie.com

Here we go.

I'm all used up

When I'm used, I'm useless, once offered, soon rejected. In desperation oft expressed, the intended not protected. What am I?

Good luck.