#BackProjection

Live, measured metrics for the hashtag #BackProjection 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 #backprojection

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 · 14-character #name
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card via hashtag.org · tokens via hashtag.space
0
Uses / 7 days
Mastodon
0
Accounts / 7 days
Mastodon
2
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 2
0
Avg reactions / post
Mastodon · last 2
—
Reddit posts / month
Reddit search
—
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · fosstodon.org (Mastodon public tags API) · fetched 2026-10-08 23:25 UTC
0
10-02
0
10-03
0
10-04
0
10-05
0
10-06
0
10-07
0
10-08

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 2026-10-08 23:25 UTC

No related tags with measured usage found for #backprojection.

Live pulse

measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-10-08 23:25 UTC

Everything below is measured over the latest 2 public posts (spanning ~5661 hours).

Top of the latest posts

  • An animated back projection showing an early approximation of the dynamics of the rupture of the earthquake(s) in Venezuela from https://ds.iris.edu/spud/backprojection Two distinct major ruptures are seen. The first starts on land about 60

    zl2tod@zl2tod@mastodon.online♥ 0↻ 32026-06-25 09:37 UTCView post →
  • Bonus #halloween #tetrapod content can also happen :tetrapod: #hologram #HoloProjection #BackProjection #NotACult

    Martin Hamilton@m@martinh.net♥ 0↻ 12025-11-01 12:15 UTCView post →

What “backprojection” means

Wiktionary · Wikipedia

backprojection

  • nounA cinematic technique in which live action is filmed in front of a screen on which the background action or a background scene is projected.
Full entry on Wiktionary →

Rear projection is one of many in-camera effects cinematic techniques in film production for combining foreground performances with pre-filmed backgrounds. It was widely used for many years in driving scenes, or to show other forms of "distant" background motion.

“Rear projection” on Wikipedia (CC BY-SA) →

#backprojection across platforms

every network with a public tag surface

Follow #backprojection 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/backprojection