#blackboards
Live, measured metrics for the hashtag #blackboards from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #blackboards
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 · mastodon.social (Mastodon public tags API) · fetched 2026-09-26 02:08 UTC0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · mastodon.social (Mastodon public search API) · fetched 2026-09-26 02:08 UTCLive pulse
measured · mastodon.social (Mastodon tag timeline) · fetched 2026-09-26 02:08 UTCEverything below is measured over the latest 11 public posts (spanning ~20871 hours).
Posting hours (UTC)
Languages: English (9) · German (1) · Italian (1)
Avg boosts / post: 1
Top of the latest posts
Illustration by Frederick Whitney, from Blackboard Sketching (1909). Source: California Digital Library / Internet Archive https://pdimagearchive.org/images/362dff8c-bf09-4d23-9dfd-b2e3e330e9ab #botanical #blackboards #chalk #classroom #flo
In letzter Minute noch den Vortrag umplanen, weil das Konferenzzentrum nun leider doch keine großen Tafeln im Raum hat. Immerhin kann ich so schönere Grafiken zeigen. Die hier zum Beispiel: #blackboards #math #mathillustration
Illustration by Frederick Whitney, from Blackboard Sketching (1909). Source: California Digital Library / Internet Archive https://pdimagearchive.org/images/e253e525-a10b-4967-b657-187b65d87154 #keys #lighthouses #nests #mushrooms #blackboa
What “blackboards” means
Wiktionary · Wikipediablackboards
- nounA large flat surface, finished with black slate or a similar material, that can be written upon with chalk and subsequently erased; a chalkboard.
- verbTo use a blackboard to assist in an informal discussion.
Blackboards is a 2000 Iranian film directed by Samira Makhmalbaf. It focuses on a group of Kurdish refugees after the chemical bombing of Halabja by Saddam Hussein's Iraq during the Iran–Iraq War. The screenplay was co-written by Makhmalbaf with her father, Mohsen Makhmalbaf. The dialogue is entirely in Kurdish. Makhmalbaf describes it as "something between reality and fiction. Smuggling, being homeless, and people's efforts to survive are all part of reality... the film, as a whole, is a metaph
“Blackboards” on Wikipedia (CC BY-SA) →#blackboards across platforms
every network with a public tag surfaceFollow #blackboards 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/blackboards