Twenty-eight consumer, child advocacy and public health groups submitted this letter today to President Obama's review on "Big Data" team. Among the groups signing the letter included the African American Colloboraative Obesity Research Network, American Academy of Child & Adolescent Psychiatry, Consumers Union, Children Now, Common Sense Media, CFA, Interfaith Center on Corporate Responsibility, Momsrising, National Consumers League, Praxis Project and Salud America!