#BlackBook

Live, measured metrics for the hashtag #BlackBook from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.

hashtag.org network · sponsored

Own #blackbook

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.

$51.02/ year · 9-character #name
Claim #blackbook — $51.02/yr→Buy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
0
Uses / 7 days
Mastodon
0
Accounts / 7 days
Mastodon
40
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 40
0
Avg reactions / post
Mastodon · last 40
—
Reddit posts / month
Reddit search
—
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · mas.to (Mastodon public tags API) · fetched 2026-10-11 23:15 UTC
0
10-05
0
10-06
0
10-07
0
10-08
0
10-09
0
10-10
0
10-11

0 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 2026-10-11 23:15 UTC
#blackbookresearch
0 uses · 0 accounts / 7d
#blackbooks
0 uses · 0 accounts / 7d
#BlackBookSky
0 uses · 0 accounts / 7d
#BlackBookTok
0 uses · 0 accounts / 7d
#blackbookology
0 uses · 0 accounts / 7d
#blackbookofcommunism
0 uses · 0 accounts / 7d
#blackbookdesigners
0 uses · 0 accounts / 7d
#blackbookmastodon
0 uses · 0 accounts / 7d
#blackbookawards
0 uses · 0 accounts / 7d
#BlackBookPrologue
0 uses · 0 accounts / 7d
#blackbookbelarus
0 uses · 0 accounts / 7d
#blackbookmarker
0 uses · 0 accounts / 7d

Live pulse

measured · mas.to (Mastodon tag timeline) · fetched 2026-10-11 23:15 UTC

Everything below is measured over the latest 40 public posts (spanning ~14524 hours).

Posting hours (UTC) — busiest: 20:00

00:0012:0023:00

Languages: English (20) · German (3) · French (1)

Avg boosts / post: 1

Top of the latest posts

  • "We Found One Of Jeffrey Epstein's Black Books Years Before The Recent 'Epstein Files' Controversy" — Business Insider https://www.youtube.com/watch?v=m5GTkSK14Us #epstein #businessinsider #blackbook

    Gentleman & Gangster@gentlemangangster@mastodon.social♥ 1↻ 32025-07-28 06:25 UTCView post →

  • https://www.europesays.com/unitedstates/12223/ Black Book Releases 2027 Healthcare Policy Outlook Ahead of Medicare Payment Changes #BlackBook #BlackBookResearch #ConversionFactors #DougBrown #FederalPolicy #HealthcarePolicy #medicare #Nati

    United States@UnitedStates@pubeurope.com♥ 0↻ 02026-10-03 23:26 UTCView post →

  • Blackbookology Challenge #BBOxSW15 Dieser Beitrag kann Spuren von Werbung enthalten. #calligrafitti #blackbook #graffiti #blackbookology

    Umut8Art@Umut8Art@mastodon.social♥ 0↻ 12026-08-10 19:27 UTCView post →

What “blackbook” means

Wikipedia

BlackBook is an arts and culture magazine published bi-annually to print and online. Founded by Evanly Schindler in 1996 as a quarterly print publication, covering topics ranging from art, music, and literature to politics, popular culture, and travel guides.

“BlackBook” on Wikipedia (CC BY-SA) →

#blackbook across platforms

every network with a public tag surface

Follow #blackbook 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.

X (Twitter) ↗Instagram ↗TikTok ↗Facebook ↗LinkedIn ↗YouTube ↗Threads ↗Bluesky ↗Mastodon ↗Reddit ↗Pinterest ↗Tumblr ↗

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/blackbook