A woman looks at the HealthCare. gov insurance exchange internet site October 1, 2013 in Washington, DC. US President Barack Obama's Affordable Care Act, or Obamacare as it is commonly called, passed in March 2010, went into effect Tuesday at 8am EST. Heavy Internet traffic and system problems plagued the launch of the new health insurance exchanges Tuesday morning. Consumers attempting to log on were met with an error message early Tuesday due to an overload of Internet traffic. Credit: AFP/Getty Images