#zero
Live, measured metrics for the hashtag #zero from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #zero
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 · mastodon.social (Mastodon public tags API) · fetched 2026-11-04 04:46 UTC5 uses by 5 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 2026-11-04 04:46 UTCLive pulse
measured · mastodon.social (Mastodon tag timeline) · fetched 2026-11-04 04:46 UTCEverything below is measured over the latest 40 public posts (spanning ~559 hours).
Posting hours (UTC) — busiest: 16:00
Languages: English (31) · German (3) · Polish (1) · French (1) · Spanish (1) · Hindi (1)
Avg boosts / post: 4.5
Top of the latest posts
Expect quite a few sites to return error pages today and possibly through the week. Here's my piece on the new PHP zero-day that affects about 70 percent of the Internet. We'll be updating the story with important new developments. https://
Some #cyberdeck #forth at the Honest #Coffee Roasters in Franklin, TN. Also #BBSing with the best #sysop s on the #oldinternet. #bbs #zephyr #mrc #gravytrain #raspberrypi #zero
Commercial zero-click spyware is being delivered on an industrial scale via targeted ads, according to a new report by Citizen Lab. https://www.computing.co.uk/news/2026/security/zero-click-spyware-shows-security-problem-with-programmatic-a
What “zero” means
Wiktionary · Wikipediazero/ˈzɪəɹəʊ/
- nounThe numeric symbol that represents the cardinal number zero.
- verbTo set a measuring instrument to zero; to calibrate instrument scale to valid zero.
0 is a number representing an empty quantity. Adding zero to or subtracting zero from any number leaves that number unchanged. In mathematical terminology, 0 is the additive identity of the integers, rational numbers, real numbers, complex numbers, and algebraic structures. Multiplying any number by 0 results in 0; therefore, division by zero is generally regarded as undefined in arithmetic. Any number to the power of 0 equals 1, except that zero to the power of zero is sometimes regarded as und
“0” on Wikipedia (CC BY-SA) →#zero across platforms
every network with a public tag surfaceFollow #zero 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/zero