Isabelle Olsson, lead designer of Google's Project Glass, talks about the design of the Google Glass during the keynote at Google's annual developer conference, in San Francisco on June 27, 2012. - 

Dozens of state attorneys general say they are going to closely watch how Google safeguards privacy from now on. The announcement comes just after the search giant agreed to pay $7 million to settle charges it collected personal data from people's wireless networks with its mapping cameras. 

Experts say a new test of privacy will come when the Google's electronic eyeglasses hit the market late this year. Sure, Google Glass is mostly a wearable display screen, but it also acts as a video and audio recorder.

Harvard Law professor Jonathan Zittrain joins Marketplace Tech host David Brancaccio to explain Google's privacy problem when it comes to the high-tech spectacles.