Archive
Ideas with a history.
These pages preserve project origins and distinguish earlier versions from today’s work. Names retained in the archive do not establish that a service is available.
47Life
Outdoor adventures, real-world activity and a history of progress.
47Plate
Contact with someone who has opted in, starting from a vehicle or another physical object.
47Vault
Keeping and recovering private material under the user’s control.
47SMS
Communication across channels, with consent and explicit control.
Reading the archive
Historical notes describe records and implementations retained at the stated date. The current project page separately describes its present stage and any public access.