The document discusses the growing demand among home buyers for more walkable communities where daily needs can be met on foot rather than by car. Two generations in particular, millennials and baby boomers, are fueling this demand for walkable neighborhoods that mix residential and commercial uses. As a result, homes located in walkable areas are retaining their value better during the housing downturn, while auto-oriented suburbs have seen steeper drops. Smart growth principles that encourage compact, mixed-use development with alternative transportation options can help satisfy this pent-up demand for walkable living.