#hypercard21
Live, measured metrics for the hashtag #hypercard21 from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #hypercard21
This #name is available to claim. It becomes your portal on the open agent web: this very page, a keyword you rank for by an open public stake, and a verifiable identity for AI agents. Nobody else sells a page like this for every #name.
Day-by-day usage
measured · mas.to (Mastodon public tags API) · fetched 2026-10-01 22:57 UTC0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · mas.to (Mastodon public search API) · fetched 2026-10-01 22:57 UTCNo related tags with measured usage found for #hypercard21.
Live pulse
measured · mas.to (Mastodon tag timeline) · fetched 2026-10-01 22:57 UTCEverything below is measured over the latest 2 public posts (spanning ~697 hours).
Posting hours (UTC)
Languages: English (2)
Avg boosts / post: 0
Top of the latest posts
Macintosh premiers clics - "Sourix" https://macintoshgarden.org/games/macintosh-premiers-clics-sourix Macintosh premiers clics is a collection of unique games designed for children. #macgarden #earlychildhood #educational #1993 #dunod #jean
Equate! https://macintoshgarden.org/games/equate Equate! is a one-player mathematical card game - you have to make equations by dragging arithmetic operators between the cards you're dealt. Try to make the longest equation you can to get th
What “hypercard21” means
WikipediaHyperCard is a software application and development kit for Apple Macintosh and Apple IIGS computers. It is among the first successful hypermedia systems predating the World Wide Web.
“HyperCard” on Wikipedia (CC BY-SA) →#hypercard21 across platforms
every network with a public tag surfaceFollow #hypercard21 straight to each platform’s own tag page. Where a platform publishes open data we measure it above; the rest lock their numbers behind paid APIs, so we link rather than guess.
Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/hypercard21