"President Obama spoke about the passage of the health care bill before signing it into law. Members of the audience included health care advocates, members of Congress, medical professionals, family members of Senator Ted Kennedy, and Americans who had written to the president about their challenges with health insurance." (CSPAN.org)
Wondering where the full bill is? Here's a link to the full text of the Patient Protection and Affordable Care Act (H.R. 3590) at the Government Printing Office (text/pdf). There is also information on the health care bill at OpenCongress and the Library of Congress. Here is a summary of the health care bill at the Library of Congress.