As some Americans face the cancellation of their current insurance policies, lawmakers and consumers ponder the benefits and challenges of the Affordable Care Act’s minimum coverage requirements.

On October 1st, every state in the U.S. will open an online health insurance marketplace. For states that have opted to run their own insurance exchange (rather than letting the federal government set it up), the challenge now is informing residents about how to use these new marketplaces. Americans who already have insurance probably don't need to know the ins and outs of online exchanges,…