Many of the questions I received after my talk were focused on the income gap and access to digital technologies.

FORBES: Digital Health For Dummies

During the past week, NPR has been reporting on the growing income gap in America.

NPR: Workers Face a Cold World After Carrier

Liu has sounded themes of economic disparity on the campaign trail, noting that the income gap between the city's rich and poor has grown in recent years, and he also has emphasized his grasp of the city's finances as comptroller and a trained actuary.

WSJ: Big NYC public-employee union picks Liu for mayor

Bernanke's extensive remarks on this subject came as Democrats in Congress consider legislation aimed at closing the income gap.

NPR: Fed Chief Issues Warning on Income Gap

Claims that there is no gap in college access for low-income students are based on a flawed analysis that understates college readiness and overstates enrollment figures.

WSJ: Should More College Financial Aid Be Based on Need, Not Merit?

Also, consumers are no longer saving less and borrowing more on credit card, home equity and other loans to bridge the gap between income and desired spending growth.

FORBES: The Chances Of A Double Dip

Sole proprietors report business income on their individual tax returns and, the IRS says, they account for the biggest share of the tax gap, which is the difference between what taxpayers owe each year under the law and what they actually pay.

WSJ: AP Exclusive: Likely tax cheats flock South, West