HxRefactored - MyFitnessPal - Vijay Raghunathan
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Transcript of HxRefactored - MyFitnessPal - Vijay Raghunathan
MyFitnessPalScaling health applications to 50 million users
What do we do?
Fun and exciting facts
• 50+ million registered users
• Over 150 million pounds lost
• #1 App in Health & Fitness categories
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
React quickly to users
• Accept what you don’t know
• Place lots of small bets
• Hypothesis -> Experiment -> Conclusion
Release Often
• Establish a release cadence
• Track internal deadlines
• Beta test changes
A/B Testing
• Track each feature independently
• Integrate A/B testing from day 1
• Gradual rollout of features
Simplify your releases
• Timebox development/product decisions
• Automate releases
• Stub out features to minimize costs
Invest in infrastructure
• Move fast and break stuff => Move fast with stable infrastructure
• Services accelerate product development
Understand your users
• Focus Groups
• User Studies
• Analytics
Scale has one big advantage
• Value of health data in quantity
• Untapped areas of data
• More data > complex algorithms
MyFitnessPal Data
• 11 Billion Food entries
• 4 million public food items
• 70K recipes added/day
MyFitnessPal Data Projects
• Food categorization
• Recipe Parsing
• Effects of food on weight loss
Focus on your goals
• Helping users get healthy
• WAU/DAU/MAU are secondary metrics