#contactbook

Live, measured metrics for the hashtag #contactbook 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 #contactbook

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.

$10.85/ year · 11-character #name
Claim #contactbook — $10.85/yr→Buy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
0
Uses / 7 days
Mastodon
0
Accounts / 7 days
Mastodon
3
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 3
0
Avg reactions / post
Mastodon · last 3
—
Reddit posts / month
Reddit search
—
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · fosstodon.org (Mastodon public tags API) · fetched 2026-09-30 21:45 UTC
0
09-24
0
09-25
0
09-26
0
09-27
0
09-28
0
09-29
0
09-30

0 uses by 0 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 2026-09-30 21:45 UTC

Live pulse

measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-09-30 21:45 UTC

Everything below is measured over the latest 3 public posts (spanning ~605 hours).

Top of the latest posts

  • I cleaned up this thread about decentralized contact book in a blog post here: https://blogue.narf.ca/2023/09/federated-contact-book/ I'm very open to receiving feedback. What is preventing this from existing? This is a old problem; why don

    narF 😵✌️@[email protected]♥ 0↻ 12023-09-20 20:45 UTCView post →
  • I wish there would be a way to share that workload. If each of us maintain our own contact infos and make sure to keep it up to date, just like we did on Facebook back in the days, then that's a lot less duplicated efforts! In a group of 10

    narF 😵✌️@[email protected]♥ 0↻ 02023-08-26 15:34 UTCView post →
  • Each of us has the burden of maintaining our contact books. That's a lot of duplicated efforts! In a group of 10 people, each of us as to maintain 9 contacts. That's 10 x 9 = 90 duplicated efforts! #decentralizedContacts #contactBook

    narF 😵✌️@[email protected]♥ 0↻ 02023-08-26 15:34 UTCView post →

#contactbook across platforms

every network with a public tag surface

Follow #contactbook 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/contactbook