#er2
Live, measured metrics for the hashtag #er2 from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #er2
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 2026-10-01 03:19 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 2026-10-01 03:19 UTCLive pulse
measured · mas.to (Mastodon tag timeline) · fetched 2026-10-01 03:19 UTCEverything below is measured over the latest 23 public posts (spanning ~32019 hours).
Posting hours (UTC) — busiest: 18:00
Languages: English (17) · French (5)
Avg boosts / post: 1
Top of the latest posts
NASA ER-2 #806 working the pattern at Palmdale, July 2018 #NASA #Palmdale #ER2 #U2 #nasaarmstrong #planespotting #haveglass #aviation #AvGeek #spotter #aviationdaily #photography #aircraft #Nikon #Z9 #aircraft #nikon #edwardsafb #nikonphotg
#Gemini #Robotics #ER2, a new “embodied reasoning” model, enhances #robots’ ability to understand the #physicalworld, #plantasks, and #collaborate with humans. It improves upon its predecessor, ER 1.6, with better task orchestration, progre
NASA ER-2 Maintenance Staff Keeps Aircraft Mission Ready #AFRC #California #ER2 #F15 #NASAaircraft #NASAscience #NASA’sArmstrongFlightResearchCenter #aeronautics ⏩ 2 new pictures from NASA (Image Library) https://commons.wikimedia.org/wiki/
What “er2” means
Wiktionaryer/ɜː/
- verbTo utter the word "er" when hesitating in speech, found in the phrase um and er.
- interjectionSaid when hesitating in speech.
#er2 across platforms
every network with a public tag surfaceFollow #er2 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/er2