Snapchat co-founder and billionaire Evan Spiegel and Miranda Kerr help erase $550 million in medical debt for 261,000 Californians

For thousands of American families, an unexpected medical bill can become a financial burden that lasts for years. A hospital visit, an emergency ambulance ride or treatment for a serious illness can leave patients struggling to pay their bills long after they have recovered. Now, a major philanthropic contribution from Snapchat CEO Evan Spiegel and…