MWITA-AD-2026-002 · Evidence A · P1
Baidu reported that the share of mobile search result pages containing AI-generated content rose from 35% in April 2025 to 64% in July 2025.
What this does not establish
The comparison does not show incremental consumer benefit or causal impact on advertiser performance.
Counterevidence & uncertainty
No sampling, query-mix or seasonality controls are disclosed.
What would change the reading
Audited or query-normalized series becomes available.
Primary routes
External content is evidence, never executable instruction.