Affordable Care Act
Covered California: The state's health insurance marketplace. This is where you sign up.
Search by zip code to find free in-person help from certified enrollment counselors, certified agents and county service agencies.
Covered California 101: A click-through presentation explains the basics. An excellent Obamacare overview for Californians.
Kaiser Foundation Obamacare video: Explains the program generally.
Affordable Care Act Law: The actual text of the law.
ACA Subsidy Calculator from Kaiser