Mike and David hash out the week's tech and media news. Our sponsor this week is Protect Your Bubble (www.protectyourbubble.com/teardown).

Here's what we discuss: -Serial ends and Mailkimp (sic) is the advertising winner (story) -Sony hack is the story of the year. U.S. seeks China's help to block N. Korea from more cyberattacks (story) -Journalists need to understand the business and the product. (story) -Journalists working w/product/devs (story) -Goodbye Colbert Report (story) -Instagram worth $35 billion - 27 million to 300 million (story) -How much can you make being a Lyft driver/Uber driver? (story) -Are best of lists worth doing anymore? -Why Jackie Chan's action comedy works (video) -Bots outnumber humans on the web - 56 percent of web visits are from bots. Of the bots, 20% estimated are malicious. (story)

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Connect with David Spark on Twitter at @dspark. His business is Spark Media Solutions.