It’s quiz time on Marketplace Tech. 69.63 kilobytes, 84.1 million, 12,000 resumes, and 3: Can you guess what these numbers mean?

We put Jon Gertner, editor-at-large for Fast Company and author of “The Idea Factory: Bell Labs and the Great Age of American Innovation” to the test for our latest edition of Silicon Tally. 

Click on the audio player above to play along.