Common Ground
Interactive prototype · fictional cases

From shared experience to practical action

Bring a shared local problem into clearer focus.

Share what you noticed. Others add private, time-bound observations. Common Ground shows what aligns, what remains uncertain and what could help next.

Private by defaultContext, not votesClearer next step
PRODUCT LOOP
01ReportSay what happened, where and when
02ConfirmOthers add a private, time-bound observation
03ActDraft one practical, reviewable next step

Interactive demo · fictional data

See separate reports become a clearer next step.

Choose a fictional case, add one private observation, then open a draft for human review. Nothing is sent automatically.

1 Choose a case 2 Confirm privately 3 Review the draft
Porto District · 14:32FICTIONAL CASE VIEW
A 5-minute route becomes 21 minutes
MOBILITYPATTERN EMERGING · sample data

The Harbour crossing cuts off wheelchair users from the clinic.

The ramp is blocked by a temporary barrier. People using wheelchairs, walking aids and strollers must cross 380 metres away without a protected crossing.

24reports
received
08matching
observations
01public update
logged
MAC+8 people added a matching, time-bound observation.

Add one private observation. Agreement adds context; it does not prove the claim.

A shared view, without false certainty

When experiences connect,
the next step becomes clearer.

Residents contribute context. Public teams get a concise view of what people reported, what remains uncertain and what practical response could help next.

↳ consent-first↳ time-stamped↳ privacy-preserving↳ action-oriented