Officials concede they are refraining from offering a preliminary or cursory analysis of the e-mail because they are "trying not to excite Pearl's family, friends and colleagues" at The Wall Street Journal, where the 38-year-old Pearl works as a reporter.

CNN: Conflicting reports on missing reporter's fate

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