Entry #21
Draw your future into the sky
Kazuki Futatsuhashi

A system that broadly solicits ideas for improving Ginza from visitors to Sony Park. Using a smartphone app, visitors take photographs of nearby places and annotate them with their ideas to improve the neighborhood. The photos are exhibited on digital displays installed within the Park, and also on billboards around the city — replacing ads that had been removed via the Subtract Billboard (Phase 1 Competition entry) system.
Online voter comments:
Blue boxes show positive comments, Red boxes show negative comments.
The length of the striped bar represents the number of people who shared the opinion.


Rebuttal: Thinking is great, but how will that turn into action?








- Metadata:
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• The degree to which advanced technologies (including IT) are used
3 (Low-tech) 1 - 2 - 3 (High-tech) -
• Site-specificness: The degree to which the idea targets a specific locale
3 (Site-agnostic/universal) 1 - 2 - 3 (Site-specific) -
• Degree of commercial potential
1 (Strictly for public good) 1 - 2 - 3 (May profit some parties involved) -
• Time scale of citizen-led changes to cities enabled by the idea
3 (Short-term change) 1 - 2 - 3 (Long-term change) -
• Geographic scale of citizen-led changes to cities enabled by the idea
2 (Small-scale change) 1 - 2 - 3 (Large-scale change) -
• Hurdles toward participation, from a citizen’s perspective
1 (Anyone can participate) 1 - 2 - 3 (Requires expertise, time, money, etc.)