You're driving down the road when you see the back door of an armored car come open and a bag of cash fall out. The bag opens upon impact with the road and cash starts flying as the armored car keep going. Quick! What do you do?

Some drivers in Maryland faced that very scenario last Friday when two plastic bags containing about $5,700 in bills and coins fell from an unlatched door on an armored truck and spilled onto Interstate 270. Immediately about 30 drivers pulled over and drivers frantically grabbed handfuls of cash. Other drivers kept driving.

By the way -- all the cash was gone by the time authorities arrived.

So, we must ask ...