we're joined by our guests in new york, susan sarandon, ashley judd and russell simmons, the music mogul and entrepreneur. ashley, what does this family-sized water purification system you have? what does that do? >> safe drinking water is an immediate and urgent need in haiti. unsafe drinking water can exacerbate already disastrous conditions. so population services international, the public health ngo with whom i work has been in haiti for 20 years. one of the many things we do to empower and protect health is make safe for drinking even the most contaminated water, water that can have microbes, parasites, bacteria and fee cal matter. this sashet costs 10 cents, and a family can stir this water for about 30 minutes, and after the process of having stirred water is called deflocked. all of the contaminated matter is separated, and then you strain it with a t-shirt or whatever material you have available so you would take this, for example, and we had a towel but it's too thick and plush. you go like this, and all of a sudden out of the nastiest either river water, sewer water, creek wat