Jon and Justin talk about:

• A stressful Rails 6 upgrade (and how it broke the app).
• We often use data to make decisions, but we don't often examine the underlying data we're using to make decisions.
• How do we know if our marketing efforts are effective?
• "What's happened to your data since last quarter?"
• "If a billion people are listening, but not reacting, does it matter?"

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Show notes:

• Justin's tweetstorm about using data.
• Libsyn's quarterly financial results.
• Facebook inflated video views
• Daniel Ek (Spotify) interview

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