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Lessons learned from running a Design System … or how to escape a filter bubble @pistenprinz

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Where it all began

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Welcome to trivago

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“It will be fun” - they said

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-rw-r--r-- 2487 Nov 20 13:17 main.inc -rw-r--r-- 311 Nov 20 13:17 styles.inc -rw-r--r-- 713 Nov 20 13:17 seo.inc -rw-r--r-- 3814 Nov 20 13:17 dealform.inc A first directory listing…

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-rw-r--r-- 2487 Nov 20 13:17 main.inc -rw-r--r-- 311 Nov 20 13:17 styles.inc -rw-r--r-- 713 Nov 20 13:17 seo.inc -rw-r--r-- 3814 Nov 20 13:17 dealform.inc .inc files

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.inc files Specificity graph 2012

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View source …

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Getting inspired

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The first conference

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Anticipating interest

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In the meantime…

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colours? trivago!

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Can you add a new icon?

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Title
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Can you change that CSS file?

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Why is this build with Bootstrap?

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Proof of concept

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The master file…

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It’s 500 megabyte

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A minimum viable Design System in code…

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Form Elements Buttons Navigation Teaser Header Footer Typography Icons Tabs Grid

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Form Elements Buttons Navigation Teaser Header Footer Typographie Icons Tabs Grid

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A minimum viable Design System in code…

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Scope creep

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How difficult can it be? Let’s go all in…

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Scaling and roll-out

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We promised…

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We delivered…

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We qualified…

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12 months later…

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Complexity • Documentation

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Complexity • Documentation • Release process

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Complexity • Documentation • Release process • Linting and quality

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Complexity • Documentation • Release process • Linting and quality • Maintenance

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Complexity • Documentation • Release process • Linting and quality • Maintenance • Delivery & Integration

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Complexity • Documentation • Release process • Linting and quality • Maintenance • Delivery & Integration • Stakeholders

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Complexity • Documentation • Release process • Linting and quality • Maintenance • Delivery & Integration • Stakeholders • Developer Experience

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Complexity • Documentation • Release process • Linting and quality • Maintenance • Delivery & Integration • Stakeholders • Developer Experience • Designer Experience

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15 consumers

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Teams and people

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The centralised team

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What’s really needed…

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The reality and the value chain…

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Global functions Hotelsearch Marketing Advertiser

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Global functions Hotelsearch Marketing Advertiser you are here

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Acceptance rate and demand…

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Global functions Hotelsearch Marketing Advertiser

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Global functions Hotelsearch Marketing Advertiser you are here

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Learning

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Aim high Start small

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Overconfidence effect

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Filter Bubble

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Followership vs. Leadership

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Decision making and thinking errors

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Availability bias

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Confirmation 
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Sunk cost fallacy

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What’s left

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Success or failure?

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Consistency

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Mindset

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Raise the bar

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Christoph Reinartz @pistenprinz