design preso #2
TRANSCRIPT
House of CartsSo here’s the problem:
● Collaborative grocery shopping is difficult
● Need to track what communal groceries were bought
● Coordinate payments for shared groceries
Meet Ryan the Roommate● Frustrated by difficulty
of selecting communal
groceries
● Which foods are shared?
● What did my
roommates already buy?
Meet Randall the (Other) Roommate● Frustrated by process of
collecting money
post-shopping
● Tracking receipts is hard
● Message all roommates
separately to get paid
MVP● Payment sharing
● Track which groceries are to be
shared
Use Case● Ryan is going shopping
● Needs to know what to buy
Use Case● Ryan is going shopping
● Needs to know what he
already has
Use Case● Randall wants his money
back
● (Ryan better have my
money)
● Needs to know who bought
what
Use Case● Randall wants his money back
● Needs to know who owes him and who
he owes
Why House of Carts?● Hypothesis: Cooperative shopping is hard
● Learning: Critical MVP features
● Why adopt? Makes shopping easier