Entry #4
Ginza Trust Shop
Baolong Yang
Isabelle Ward
Hiroaki Nakashima


An unmanned popup store on Sony Park, where customers only pay whatever amount of money they deem the purchased goods to be worth. The shop operates solely based on trust among fellow citizens; there are no cameras, electronic tags, or any other surveillance/security mechanisms to prevent theft. The shop can be booked by anyone through an online 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.














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