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Case file

Joseph Eichler

Wikipedia's first sentence called it “one of the merchant builders”. Today it says “a 20th-century post-war american real estate developer known for developing distinctive residential subdivision”. The one-line description Wikipedia serves to search engines and AI systems read “20th century American architect”. It now reads “American architect (1900–1974)”.
Measured, not asserted. Every count, date and revision on this page was taken from Wikipedia's own history and checked against the live article. The words quoted are theirs.
Machine-checked against the full current article on 2026-08-03.
We saved snapshots of this article over twenty years; you are reading the 2005 one. Red dashes: removed from Wikipedia since. Pale dots: rewritten; the numbered note shows what it says now. 1 tap a number or a side note to jump between them
The opening as it read in 2005

Joseph Eichler was one of the merchant builders . His company, Eichler Homes, built over 10,000 homes between 1950 and 1974. Most of these homes were built in California. Unlike many of the merchant builders, Joseph Eichler was obsessed with design.1 He used architects to design both the site plans and the homes themselves.2

This is Wikipedia's own text, saved in our repository. Their copy of it is revision 17506680.
Today
Wikipedia's first sentence called it “one of the merchant builders”. Today it says “a 20th-century post-war american real estate developer known for developing distinctive residential subdivision”. The one-line description Wikipedia serves to search engines and AI systems read “20th century American architect”. It now reads “American architect (1900–1974)”. Read the current article and compare.
2005201020152020Oct '232025
Counts in the opening at each snapshot. Green: the word gained ground. Red: it was cut. Grey: no change.

What Wikipedia says this is

Every article opens by defining its subject. This one was redefined since 2005, and today's defining sentence is their current revision.

Then

one of the merchant builders

Now

a 20th-century post-war american real estate developer known for developing distinctive residential subdivision

Struck red text is no longer in the article; dotted amber text was rewritten. Every revision id links to Wikipedia's copy; the text shown is our own saved copy. Data: /data. Wikipedia text is CC BY-SA; quoted for the record; not affiliated with Wikipedia.

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