The real cost of e-wasteHow are companies tackling the e-waste problem? PC maker, Hewlett-Packard has an ambitious goal to recycle two billion pounds of e-waste by 2010. Correspondent Sumi Das talks to the company's director of sustainability, Bonnie Nixon, about how they are meeting the challenge by building recycling facilities and stepping up their business practices globally. Das also speaks with Michelle Price, a marketing manager with HP's imaging and printing group. Price demonstrates how HP is re-using materials from old printer cartridges to create new ones through a process called closed-loop recycling.