Greenberg calls himself an “invention groupie.” The author of “Gadget Nation,” he’s written about quirky inventors who have dreamed up everything from a talking toilet paper dispenser to a “Vidstone” grave marker that displays a video tribute of the dearly departed.

Now is a great time for an inventor to become a rock star, Greenberg says. The economy may be slumping, but he and others say inventors are poised to enter a golden age.

(The above text are taken from http://edition.cnn.com/2010/LIVING/01/12/invent/ )