#whatsthatbook

Live, measured metrics for the hashtag #whatsthatbook 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 #whatsthatbook

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.

$5.00/ year · 13-character #name
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1
Uses / 7 days
Mastodon
1
Accounts / 7 days
Mastodon
18
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 18
1.2
Avg reactions / post
Mastodon · last 18
—
Reddit posts / month
Reddit search
—
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · mas.to (Mastodon public tags API) · fetched 2026-10-15 02:57 UTC
0
10-09
1
10-10
0
10-11
0
10-12
0
10-13
0
10-14
0
10-15

1 uses by 1 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 2026-10-15 02:57 UTC

No related tags with measured usage found for #whatsthatbook.

Live pulse

measured · mas.to (Mastodon tag timeline) · fetched 2026-10-15 02:57 UTC

Everything below is measured over the latest 18 public posts (spanning ~32871 hours).

Top of the latest posts

  • EDIT: FOUND !!! I'll avoid spoilers for those who enjoy the chase, I'll happily reply to DMs asking for the answer ------------------ Here's a real challenge for die hard fans of older #SciFi ... I remember in my teens in Australia, 70s?, r

    Colin the Mathmo@ColinTheMathmo@mathstodon.xyz♥ 13↻ 252026-06-10 19:19 UTCView post →
  • Name That Short Story! #ScienceFiction short story wherein artists aren't allowed to reference (or even experience) anyone else's work. If they are, the relevant sense is disabled, & they are set to watch over upcoming, naive artists. I'd h

    Cavyherd@cavyherd@wandering.shop♥ 4↻ 72026-04-17 00:09 UTCView post →
  • #bookidentification #tipofmytongue #whatsthatbook #storyidentification #books #bookstodon I read this sci fi series in the 2000s or early teens. Humans set off to explore another world. They discover the other world has been deliberately te

    Verain@Verain@c.im♥ 2↻ 22026-02-04 04:41 UTCView post →

#whatsthatbook across platforms

every network with a public tag surface

Follow #whatsthatbook 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/whatsthatbook