Charles Duhigg

As homeowners see the value of their homes decline, they become more likely to delay purchases of the big items - like automobiles, electronics and home appliances - that are ballasts of the American economy. When those purchases decline, large manufacturing firms, suddenly short on funds, could begin laying off employees.

Prosecutors say it would be next to impossible to get one teen to testify in court that another had slipped him or her a copied disc at lunchtime. And besides, isn't sharing music a time-honored part of teen friendship?