Rémi Guyot - VP Product
Fighting
Complexity
A. You work in a startup.
B. You are product manager/owner/designer.
C. You have anxiety issues and you hope that
this talk will reveal the secret of life.
WHAT DESCRIBES YOU BEST?
A. 10.000 km
B. 20.000 km
C. 40.000 km
D. I already regret coming tonight
WHAT IS THE DISTANCE BETWEEN
FRANCE AND NEW ZEALAND?
If the captain dies or falls in the water:
1. Turn off the engine (yellow button)
2. Pick up the red phone
3. Wait for instructions
If the captain dies or falls in the water:
1. XXXXXXXXXXXXXX
2. Turn off the engine (yellow button)
3. Pick up the red phone
4. Wait for instructions
3 years at Sécurité Solaire
7 years at PayPal
3 years at BlaBlaCar
KEEP
IT
SIMPLE
STUPID.
Complexity
Battlefield
Simplicity
Complexity
Battlefield
Simplicity
Dangerous zone
Your obsession has value.
Go deeper. Spread it.
Uris Dacosta
KEEP
IT
SIMPLE
STUPID.
If the captain dies or falls in the water:
1. XXXXXXXXXXXXXX
2. Turn off the engine (yellow button)
3. Pick up the red phone
4. Wait for instructions
If the captain dies or falls in the water:
1. Accept the situation
2. Turn off the engine (yellow button)
3. Pick up the red phone
4. Wait for instructions
Complexity
Battlefield
Simplicity
Things are complex
Things are complex
From the start
KEEP
IT
SIMPLE
STUPID.
Hasn’t accepted the situation Has accepted the situation
Complexity
Simplicity
Battlefield
Complexity
Simplicity
BattlefieldBattlefield
COMPLEXITY
ANTIBODIES
COMPLEXITY
ANTIBODIES
Roadmap requests Fanatic Focus
Interface design Simplification Reviews
User feedback Absence Testing
RISKY
SITUATION
#1
FANATIC FOCUS
Pythagoras
The two-list
prioritization
method
Goal A
Goal B
Goal C
Goal D
Goal E
Goal F
Goal G
Goal H
Goal I
Goal J
Goal A
Goal B
Goal C
Goal D
Goal E
Goal F
Goal G
Goal H
Goal I
Goal J
First
List
Goal A
Goal C
Goal H
Second
List
Goal B
Goal D
Goal E
Goal F
Goal G
Goal I
Goal J
Company
Priorities
Goal A
Goal C
Goal H
??
Goal B
Goal D
Goal E
Goal F
Goal G
Goal I
Goal J
Company
Priorities
Goal A
Goal C
Goal H
Avoid At
All Cost
Goal B
Goal D
Goal E
Goal F
Goal G
Goal I
Goal J
Company
Priorities
Point-to-Point
Multipass
Pro
Avoid At
All Cost
Goal B
Goal D
Trust
Goal F
Goal G
Goal I
Goal J
No.
Yes, it is important.
And we have decided
not to focus on it for now.
Level 0 = No priorities
Level 1 = Clear priorities
Level 2 = Level 1
+ Everyone knows priorities by heart
Level 3 = Level 2
+ No one works on other topics
#2
SIMPLIFICATION REVIEWS
A camel is a horse designed by a committee.
H
O
R
S
E
Hide
Organize
Reduce
Standardize
Eliminate
Hide
Erase
Standardize
Organize
Reduce
#3
ABSENCE TESTING
Where are
the ratings??
USABILITY TESTING
FLOW CONVERSION
USABILITY TESTING
No regular user noticed.
FLOW CONVERSION
USABILITY TESTING
No regular user noticed.
FLOW CONVERSION
2-10% uplift.
(depending on platform and countries)
Accept that things are complex from the start.
Don’t avoid complexity — fight it!
Develop complexity antibodies:
- Fanatic Focus (two-list prioritization)
- Simplification Reviews (H.O.R.S.E)
- Absence Testing (qualitative / quantitative)
Accept that things are complex from the start.
Don’t avoid complexity — fight it!
Develop complexity antibodies:
- Fanatic Focus (two-list prioritization)
- Simplification Reviews (H.O.R.S.E)
- Absence Testing (qualitative / quantitative)

Fighting complexity by Rémi Guyot, VP Product @BlaBlaCar