Download - HxRefactored - MyFitnessPal - Vijay Raghunathan

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Page 1: HxRefactored - MyFitnessPal - Vijay Raghunathan

MyFitnessPalScaling health applications to 50 million users

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What do we do?

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Fun and exciting facts

• 50+ million registered users

• Over 150 million pounds lost

• #1 App in Health & Fitness categories

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What’s more challenging about a health app?

• Timescale of user feedback

• Privacy implications

• Difficulty of the task at hand

• New terrain for behavioral change

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React quickly to users

• Accept what you don’t know

• Place lots of small bets

• Hypothesis -> Experiment -> Conclusion

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Release Often

• Establish a release cadence

• Track internal deadlines

• Beta test changes

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A/B Testing

• Track each feature independently

• Integrate A/B testing from day 1

• Gradual rollout of features

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Simplify your releases

• Timebox development/product decisions

• Automate releases

• Stub out features to minimize costs

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Invest in infrastructure

• Move fast and break stuff => Move fast with stable infrastructure

• Services accelerate product development

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Understand your users

• Focus Groups

• User Studies

• Analytics

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Scale has one big advantage

• Value of health data in quantity

• Untapped areas of data

• More data > complex algorithms

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MyFitnessPal Data

• 11 Billion Food entries

• 4 million public food items

• 70K recipes added/day

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MyFitnessPal Data Projects

• Food categorization

• Recipe Parsing

• Effects of food on weight loss

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Focus on your goals

• Helping users get healthy

• WAU/DAU/MAU are secondary metrics