The Rise of Search Generative Experience
The origin story of Google's Search Generative Experience, from its opt-in debut at I/O 2023 through its rocky, default rollout as AI Overviews in 2024.
Where it started: an experiment inside Search Labs
Google first unveiled the Search Generative Experience at its I/O developer conference in May 2023, introducing it as an opt-in feature inside Search Labs, the company’s testing ground for experimental features. Early SGE placed an AI-generated summary above traditional blue links for certain queries, synthesizing information from multiple sources rather than sending searchers straight to a list of pages to click through. It was explicitly framed as an experiment, available only to users who opted in, and it evolved noticeably over its first year, adding features like generated follow-up questions and, eventually, small inline links crediting the sources it drew from.
The competitive pressure behind the timing
Google wasn’t moving in a vacuum. Microsoft had integrated OpenAI’s GPT-4 into a conversational Bing Chat experience in February 2023, a genuine threat to Google’s decades-long dominance of search that reportedly triggered real internal urgency inside the company. Perplexity AI, founded in 2022, had also been building a following as an answer-first search alternative that skipped the traditional list of links entirely. SGE’s rapid iteration through 2023 and into 2024 reflected a company defending its core product against a wave of AI-native competitors for the first time in years.
From experiment to default: May 2024
The real turning point came at Google I/O in May 2024, when the company announced it was rolling AI Overviews, the production version of what SGE had been testing, out to all US search users, not just those who’d opted into Search Labs. This was a fundamentally different moment than the 2023 launch: AI-generated summaries were now appearing by default at the top of search results for a large share of queries, whether a searcher had asked for that experience or not.
The rocky rollout
The broad May 2024 launch did not go smoothly. Screenshots of AI Overviews suggesting bizarre or factually wrong answers, including widely mocked examples like recommending glue to keep cheese stuck to pizza, circulated quickly and became a public embarrassment that Google had to publicly address, tightening the sourcing and triggering conditions for when an overview would appear. Despite the rocky start, Google continued expanding the feature to more countries and more query types through the rest of 2024, treating the early stumbles as something to fix quickly rather than a reason to slow down.
What made this history rather than just a feature launch
What made 2024 significant wasn’t the technology itself, generative summaries built on large language models had already existed elsewhere for over a year. It was that the world’s dominant search engine, the entry point for a huge share of all web traffic, built AI-generated answers directly into its default results. That single decision reshaped how publishers, marketers and businesses had to think about visibility: a ranking on page one no longer guaranteed a click if an AI Overview had already answered the question above it.
Where this left things by the end of 2024
By the close of 2024, AI Overviews had gone from a niche, opt-in Search Labs feature to a default part of the Google experience for a meaningful share of searches, with more markets and query types being added on an ongoing basis. The rise of Search Generative Experience, and its evolution into AI Overviews, marked the beginning of a shift in search that businesses would spend the following years adjusting to.
Keep exploring further: other AI marketing guides, everything published in 2024 or the Digital Business Marketing Awards.