Topic
Non-random assignment, tiny samples, single-property observation and the design of randomised tests needed to support causal claims.
Profound raised $96 million at a $1 billion valuation in February and Adobe closed on Semrush in April. Both deals assume presence in AI answers can be counted, and when ChatGPT names a brand without a link there is no referrer to count it.
Reality
Praveen Kumar Mishra puts a locked Pixel 8 at 348.4 outbound requests an hour across 42 Alphabet endpoints. His firewall recorded destinations and byte counts, and the SIM hashes and facial-recognition indices he describes sit outside what that capture can show.
Reality
An open dataset covers 3,205,346 public channels and scores each one as average views per post over subscribers. Its authors publish a per-band median because forwarded and promoted views push some ratios above 1.0.
Reality
Yasuhiro Hasegawa's analysis says the transient after a step current can be split into material, electrode and heat-leakage terms, following one scaling law across materials and test conditions. The work is theoretical.
Reality
A twenty-site test found one free listing that was both followed and indexable. The other nineteen were killed in the head of the document or by a pricing tier, not by the anchor.
Reality
One recorded day-one log is a sample of one site. It is still enough to show that the two submission channels most indexing services bundle do not reach Google the way the pitch implies.
Reality