Datum Review
Filed by Datum Review
-
What doing nothing costs
An engineering office near Munich puts one German renovation at about €160,000, the KfW grant at almost €42,000, and the twenty-year operating saving at…
-
What a click costs in 2026
The average Google search ad click ran $5.42 in the US over the year to March 2026 — more than double a decade ago…
-
The invalid traffic tax
Four widely cited estimates of invalid ad traffic range from 0.5% to 35% of spend — not because the fraud problem is unclear, but…
-
AI at work: adoption by the numbers
Ask how many U.S. businesses use AI and the answer ranges from 18% to 78%, depending which federal survey answers first. The 60-point gap…
-
Ukraine’s business ledger, wartime edition
A closures slowdown, not a founding boom, explains Ukraine's swing from a net loss of sole proprietors in early 2025 to a net gain…
-
What one star is worth
Four independently designed studies — covering Yelp restaurants, hotel pricing across 11 cities and Amazon book sales — put a number on what an…
-
How patients pick a doctor
Patient surveys from 2020 to 2026 agree that most Americans now check online reviews before booking a new doctor, with estimates running from 71%…
-
Where the clicks go: position by position
Position one on Google still wins the most clicks, but the margin is shrinking fast. Four independently collected datasets — from Sistrix, Ahrefs, Pew…
-
Global Talent, counted
Britain's Global Talent visa approves 99% of applications once they reach the Home Office — but only 72% of people who applied for endorsement…
-
The half-life of a web page
Half the hyperlinks the U.S. Supreme Court cites as legal authority no longer lead to the material they cite, a 2014 Harvard study found.…