プロダクト作りにおける「機能を削除する」というマイナスアプローチの重要性 / The Importance of the "Remove Features" Approach in Product Development

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%FDMJOF JO VTFS FYQFSJFODF 1 2 Increase in development and
maintenance costs

Provide a wide range of features Provide a wide range
of options

Provide a wide range of features Provide a wide range
of options Able to meet the needs of a diverse range of users

Which one leads to more purchases? The Jam Experiment Six
varieties Twenty-four varieties

δϟϜͷ࣮ݧ The 6-jam setup had a 10x higher conversion rate!
＜ Six varieties Twenty-four varieties

(The Principle of Decision Avoidance) Too many options? People stop
choosing.

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When`s the next one!? This initiative is awesome! Reactions to
efforts to reduce features

Case Study: Feature Removal in Yahoo! Flea Market

We run a lFeature Removal Projectz once a year. ʢ*OWFOUPSZPGFYJTUJOH
GFBUVSFTʣ Do we really need this feature?

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Removal Project

&OHJOFFS 1SPEVDU 1MBOOFS %FTJHOFS Doesn`t this feature seem unnecessary? Identify
items from multiple perspectives

It’s difficult to comprehensively validate every feature. Why do we
want to remove this feature? How strong is the motivation to remove it?

Removal Project

Check the impact of removal based on log data log
data Persona Journey Map Having qualitative data makes it even better!

Features considered for removal Reasons for removal Strategic Context &
Background Final decision Quantitative / Qualitative Data Feature prioritization

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only solution.

Removal Project

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the final decision-maker

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"Simple can be harder than complex: You have to work
hard to get your thinking clean to make it simple. But it`s worth it in the end because once you get there, you can move mountains." – Steve Jobs, Apple Founder

プロダクト作りにおける「機能を削除する」というマイナスアプローチの重要性 / The Impo...

プロダクト作りにおける「機能を削除する」というマイナスアプローチの重要性 / The Importance of the "Remove Features" Approach in Product Development

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