By Teresa F. Lindeman, Pittsburgh Post-Gazette Apr. 29--My teenager has been telling Chuck Norris jokes. As in, "Chuck Norris' tears cure cancer.

BOULDER, Colo., March 22 /PRNewswire/ -- Nielsen

By MATEA GOLD, LOS ANGELES TIMES When her children were young, Jenny Lauck flipped on "Today" or "Good Morning America" as she brewed her morning coffee and tended her babies. But several years ago, the 34-year-old mother of three stopped watching the morning shows.

Did somebody say Wikipedia? Yes, and then some, according to word-of-mouth measurement firm Nielsen BuzzMetrics, which identified Wikipedia -- the online encyclopedia anyone can edit -- as one of popular words and resources of 2007.