#backinblack40
Live, measured metrics for the hashtag #backinblack40 from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #backinblack40
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 · fosstodon.org (Mastodon public tags API) · fetched 2026-09-29 11:11 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 2026-09-29 11:11 UTCNo related tags with measured usage found for #backinblack40.
Live pulse
measured · Mastodon tag timeline · fetched 2026-09-29 11:11 UTCNo recent public posts found for #backinblack40 on Mastodon. Nothing measured, so nothing shown.
What “backinblack40” means
WikipediaBack in Black is the seventh studio album by Australian rock band AC/DC, released on 25 July 1980, by Albert Productions and Atlantic Records. It was the band's first album to feature Brian Johnson as lead singer, following the death of their previous vocalist Bon Scott. After the commercial breakthrough of their 1979 album Highway to Hell, AC/DC was planning to record a follow-up, but in February 1980, Scott died from alcohol poisoning after a night out in London. The remaining members of the g
“Back in Black” on Wikipedia (CC BY-SA) →#backinblack40 across platforms
every network with a public tag surfaceFollow #backinblack40 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/backinblack40