Many are turning to spy tech online and in stores to protect families, snoop on rivals or just be creepy.
The few, naive folks who fall for spam solicitations are enough to fuel a multimillion-dollar business.
Who is buying from those misspelled Viagra e-mails? Enough to make millions.
Touring insight from artists who have struck gold on the open road.
Infomercial products are increasingly making the leap from late-night ads to store shelves.
The assets behind organized religion can be as massive as they are hidden.
Residing in the 'Where Are They Now?' file are tech companies that never lived up to their buzz.
Volunteering your time and expertise to a nonprofit board could expose your wealth to risks.
It is a high-risk investment, but the entertainment world is looking for your money.