#todayilearned

Live, measured metrics for the hashtag #todayilearned 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 #todayilearned

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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card via hashtag.org · tokens via hashtag.space
6
Uses / 7 days
Mastodon
4
Accounts / 7 days
Mastodon
40
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 40
0.5
Avg reactions / post
Mastodon · last 40
—
Reddit posts / month
Reddit search
—
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · fosstodon.org (Mastodon public tags API) · fetched 2026-10-27 04:08 UTC
0
10-21
1
10-22
1
10-23
1
10-24
0
10-25
0
10-26
3
10-27

6 uses by 4 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.

Related hashtags

measured · fosstodon.org (Mastodon public search API) · fetched 2026-10-27 04:08 UTC

Live pulse

measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-10-27 04:08 UTC

Everything below is measured over the latest 40 public posts (spanning ~1172 hours).

Posting hours (UTC) — busiest: 01:00

00:0012:0023:00

Languages: English (33) · German (2) · French (1) · Spanish (1)

Avg boosts / post: 0.8

Top of the latest posts

  • Huh! #TodayILearned that #Haiku uses #NVMM as it's hypervisor. NVMM is the hypervisor from #NetBSD and is also used by #DragonflyBSD. https://www.haiku-os.org/blog/dalme/2024-08-19_gsoc_2024_hardware_virtualization_final_report/ #HaikuOS

    :omya_linux: sinza@[email protected]♥ 6↻ 32026-10-18 17:01 UTCView post →
  • Today I (Re-)Learned about the `sep` and `end` parameters to Python’s `print`. `end=‘’` is useful to allow `print`statements not to add a newline. But you can also use it to add something else instead. That makes more sense if you also cons

    Dr. Juande Santander-Vela@[email protected]♥ 6↻ 42026-09-29 13:10 UTCView post →
  • #todayilearned https://fr.wikipedia.org/wiki/Desman_des_Pyr%C3%A9n%C3%A9es

    Léo Henry@[email protected]♥ 4↻ 42026-10-22 19:47 UTCView post →

#todayilearned across platforms

every network with a public tag surface

Follow #todayilearned 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/todayilearned