Walgreen's announcement that it will send its workers to a private health insurance exchange to buy their own plans is a sign of the times that isn't going away. And that may be good news for consumers, though it's too soon to tell, experts say. These private exchanges, which have only existed for about a year, are run by outside benefits companies and typically offer more insurance choices than those offered by employers. Employers contribute a set amount and employees choose which plan best suits their needs.
