On average, amount by which the annual salary of workers with a bachelor's degree exceeds the salary of those with a high school diploma, according to 2008 figures from the U.S. Census Bureau: $26,000

Average salary earned by workers with a high school diploma: $31,286

Average salary earned by workers with a bachelor's degree: $57,181

GLOBAL E-MAIL

Estimated number of worldwide e-mail users in 2009, according to a study from the Radicati Group Inc.: 1.4 billion

Number of messages sent per day in 2009: 247 billion

Projected number that will be sent per day in 2013: 507 billion

CORRUPT COMPS

Estimated number of households in the U.S. that had to replace computers in the past six months due to spyware, according to Consumer Reports National Research Center's "State of the Net" survey: 545,000

Estimated number of households that were victims of Internet identity theft in the past year: 1.7 million

Of those, percentage that said the incident occurred because of an online purchase: 66

JUST FOR YOU

Percentage of "echo boomers" (people born between 1982 and 1995) who would provide personal data (i.e., name, age and city) to get targeted advertising, according to a study by Q Interactive: 63

Percentage of baby boomers (born between 1946 and 1964) who would do the same: 53

Percentage of baby boomers who view advertisers "favorably" when they present an ad tailored to a personal interest: 56

MESSY FISHING

Estimated percentage of all marine litter that is abandoned, lost or discarded fishing gear, according to a study from the Media Office at the Food and Agriculture Organization of the United Nations: 10

Weight of litter this represents: 640,000 metric tons

MOMS AT WORK

Percentage of working moms at companies that have had layoffs in the past 12 months who are working more hours, according to a CareerBuilder's survey: 30

Percentage who have taken on second jobs in the past year to help make ends meet: 14

Percentage of these moms who say they are burned out: 34

IDLE THOUGHT

"It is one thing to show a man that he is in error, and another to put him in possession of the truth."

— John Locke, philosopher