Fitfuel
A startup focused on revolutionizing personalized health and fitness with AI.
Problem
I need to understand the ai tools landscape so that I can modify my design workflows with the latest tools available, and understand where it makes sense to use these tools most
Impact
Exploration, understanding and preference of ai tools and UX workflows.
First Principles
By following a series of prompts based on Aristotle’s First Principles, the time to do initial research for a 0-1 project is cut from roughly one week to one day.
The following is a market landscape which is one of many outputs to the first principles prompt series. Other outputs include jobs to be done by persona.
Primary Persona
Sara Chen
• Age: 34
• Location: Austin, Texas (mid-sized tech hub)
• Career: Senior Marketing Manager at a B2B SaaS company
ª Family: Married with two children (ages 6 and 9)
ª Income: $85,000 annually
Sarah works hybrid (3 days in office, 2 remote) with frequent client calls across time zones. She's ambitious and enjoys her career but struggles with work-life integration. Her days typically start at 6:30 AM and end around 8 PM after family dinner and bedtime routines. She needs something that adapts to her reality rather than requiring her to adapt to it - intelligent enough to suggest a 15-minute workout when her calendar is packed, but robust enough to offer a full routine when she has a rare free Saturday morning.
Goals & Motivations:
Primary: Have energy to keep up with kids and demanding job
Secondary: Fit back into pre-pregnancy clothes, feel confident in professional settings
Long-term: Model healthy habits for children, prevent health issues she sees in older relatives
Current Solutions:
Fitness: Sporadically uses free YouTube workout videos (Fitness Blender, Yoga with Adriene) but struggles to find age-appropriate content for her fitness level
Nutrition: Uses MyFitnessPal inconsistently for calorie tracking, mostly relies on "common sense" eating
Health Tracking: Apple Watch for basic step counting and heart rate, but doesn't leverage most features
Planning: Keeps a family calendar in Google Calendar but fitness isn't integrated - treats it as separate "nice to have"
Fitness Background:
Previous Experience: Was fairly active in college (intramural sports, regular gym attendance)
Current Level: Beginner to intermediate - understands basic fitness principles but hasn't maintained consistency in years
Knowledge Gaps: Unsure about proper form for strength training, overwhelmed by conflicting nutrition advice online
Physical Limitations: Occasional lower back pain from desk work, generally healthy but feels "out of shape"






Desk Research/ Executive Snapshot
Market Landscape & sizing
Competitive Terrian
Customer Signals and needs
Technology $ trend scanning
Key Insights & Recommendations
Visual Direction
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Solution