Reference entries (7)
- reference Ads inside AI Overviews reached Canada on December 19, 2025 (one of 12 total English-language countries); sensitive verticals excluded
- reference AI Overviews full rollout in Canada began the week of October 28, 2024; English, Hindi, Indonesian, Japanese, Portuguese, Spanish supported — French NOT supported at launch
- reference Search Generative Experience (SGE) announced at Google I/O May 10, 2023 (Labs opt-in); rebranded and launched as AI Overviews in the US on May 14, 2024 — on by default for some queries
- reference Mobilegeddon (April 21, 2015) — mobile-friendly pages boosted in *mobile* search results; ranking effect modest but successful as a forcing function for responsive design
- reference Hummingbird (announced September 26, 2013) — near-total rewrite of the core algorithm; shifted from keyword matching to query-intent understanding; affected ~90% of searches
- reference Google February 22, 2016 layout shift — right-rail text ads removed on desktop; up to four ads stacked above organic on commercial queries
- reference Google AdWords launched October 23, 2000 with 350 advertisers; shifted from CPM to CPC auction in February 2002
