#halflife25
Live, measured metrics for the hashtag #halflife25 from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #halflife25
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 · mas.to (Mastodon public tags API) · fetched 2026-11-05 18:03 UTC0 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 2026-11-05 18:03 UTCLive pulse
measured · mas.to (Mastodon tag timeline) · fetched 2026-11-05 18:03 UTCEverything below is measured over the latest 17 public posts (spanning ~469 hours).
Posting hours (UTC) — busiest: 00:00
Languages: English (13) · French (2) · German (1) · Italian (1)
Avg boosts / post: 1.2
Top of the latest posts
Good morning, Mr. Freeman ☕️ #HalfLife #HalfLife25 #HalfLife25thAnniversary
@[email protected] @[email protected] That's awesome. I love the hidden #HalfLife reference! #HalfLife25
Pet peeve: gameplay footage presented as from Half Life but is clearly from Half Life: Source. Example: most of the goddamn 25th anniversary documentary for Half Life by Valve. 🤦♂️ #halflife #halflife25thanniversary #halflife25 #valve #do
What “halflife25” means
WikipediaHalf-life is the time required for a quantity to reduce to half of its initial value. The term is commonly used in nuclear physics to describe how quickly unstable atoms undergo radioactive decay or how long stable atoms survive. The term is also used more generally to characterize any type of exponential decay. For example, the medical sciences refer to the biological half-life of drugs and other chemicals in the human body. The converse of half-life is doubling time, an exponential property wh
“Half-life” on Wikipedia (CC BY-SA) →#halflife25 across platforms
every network with a public tag surfaceFollow #halflife25 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/halflife25