At Google, X really does mark the spot. Search- engine giant Google has a secret product lab called Google X feverishly developing blue-sky projects such as space elevators, driverless cars and Internet-enabled household devices (coffee pots? clothing?), The New York Times reported Monday. The labs are reportedly run “as mysteriously as the C.I.A.,” according to unnamed sources familiar with the project, and housed in two facilities — one in California at the company’s headquarters and one in an undisclosed location elsewhere in the country. Click here for more details on the story.