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It's quiz time on Marketplace Tech. 306,000 tweets per minute, 2 (think gaming), 11,000 requests, and 74 percent: Can you guess what these numbers mean?

We put Amanda Wixted, owner of Meteor Grove, the company behind some of the most popular mobile video games around -- like Farmville and Mafia Wars -- to the test for our latest edition of Silicon Tally. Click on the audio player above to play along.

Follow Ben Johnson at @@TheBrockJohnson