Six Until Me (aka SUM) is a diabetes blog about the life of patient opinion leader Kerri Morrone Sparling and her experiences with type 1 diabetes. Started in May 2005, Six Until Me is an example of a Health 2.0 and ePatient website. Its main audience is people living with diabetes, their caregivers, and others living with chronic illnesses. Updated Monday through Friday, the blog is written primarily by Sparling, with contributions from guest bloggers within the diabetes community.