Edge Rewrite
// HTMLRewriter · presentation

This page was redesigned at the edge.

Cloudflare fetched the original article and streamed it through HTMLRewriter to apply an entirely new visual system without rebuilding the source page.

// request.cf · coarse context

A page that knows where it met you.

Only coarse request metadata is shown. This demo does not display or persist visitor IP addresses.

Country
US
Cloudflare location
CMH
Connection
HTTP/2
Language
Not provided

Ray ID: a243d36b3fb15aae

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Wikipedia:Semapedia

From Wikipedia, the free encyclopedia
A Semapedia Data Matrix code to a German language Wikipedia article.
See also: QRpedia

Semapedia was a project that used Data Matrix nodes to connect Wikipedia articles with their relevant place in physical space.

Placing physical Semapedia tags on real-world objects allowed people with mobile phones to use their built-in cameras to decode the Wikipedia URL from the Semacode. The phone could then use its internal browser to display the Wikipedia article about the physical object to the user.

The maintainers of the site have since closed down due to the more publicized QRpedia fulfilling a similar role. It remains the first major attempt to organize phone code scanning for Wikipedia articles.

Conferences with semapedia

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