In these, Jessen's troops sample e-mail, lecture employees to be circumspect about what they put into mail and install procedures and software programs to make sure that the files computer users dump in the trash are really gone from their hard drives.

FORBES: Follow Through

The participants were asked to bring a sample of their own junk mail or newspapers to the lab and were assured that researchers wouldn't throw out anything they wanted to keep.

CNN: STORY HIGHLIGHTS

Consumers place their orders on the Web, then get a kit in the mail and return it with a cheek swab or spit sample for analysis.

FORBES: All your genes are belong to us