Fifteen years ago, iShares launched the first broad-based bond ETF, the iShares Core U.S. Aggregate Bond ETF (AGG). Heather Brownlie, U.S. head of iShares fixed income, describes how ETFs have revolutionized bond investing since. Nate and Jason explain how personal technology can short-circuit financial decision-making. ETF.com's Lara Crigger goes in-depth on homebuilder ETFs.