Are you caught up with tech news? This week's Silicon Tally

Marissa Mayer at a speaking event in New York City on May 24, 2011. It's a hint for one of the answers in today's Silicon Tally quiz!

It's quiz time on Marketplace Tech. 86 percent, 1.63 inches, 30 meters underground, and 30 days: Can you guess what these numbers mean?

We put Marketplace reporter Queena Kim to the test for our latest edition of Silicon Tally. 

Click on the audio player above to play along.

About the author

Queena Kim covers technology for Marketplace. She lives in the Bay Area.

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