What was so valuable in the Phoenix today?

UPDATE: Rush over to your nearest Phoenix box now for a card worth 30 minutes of free time on a porn site. That's what was worth pawing through all those papers for.

On-the-street reporter Matthew files this puzzler:

Over by North Station I witnessed someone pull the entire stack of papers out of the box. He went through each one to pull out a small white-ish piece of paper.

It didn't look like it was the first distributon box he hit either ...