First-order effects

• Blekko ceases to exist as a standalone consumer search product, and its users lose one of the few non-Google alternatives; the team's crawl and relevance know-how transfers directly to IBM Watson.
• IBM gains in-house search engineering it would otherwise have had to build, accelerating Watson's push beyond quiz-show trivia into text analysis and information retrieval.

Second-order effects

• Other independent search projects face the same endgame logic: with Google's scale unmatchable, their realistic exit is acqui-hire by AI platform builders rather than competing head-on, which further thins the field of alternative engines.
• Rival enterprise-AI vendors must now weigh similar acquisitions or partnerships for retrieval capability, since Watson is visibly assembling components — AlchemyAPI, now Blekko — rather than licensing them.

Third-order effects

• If search talent keeps draining from standalone engines into AI groups, the long-run structure is search as embedded infrastructure inside cognitive platforms rather than a destination product — a trajectory the corpus later echoes when AI search is judged more a UX layer than a Google replacement (the WSJ's month-long AI-search experiment) and when Microsoft ships agent-facing search as a service.
• For regulators and publishers, the consolidation of indexing expertise into a handful of AI owners concentrates control over what gets crawled, retrieved, and answered — raising the same gatekeeping questions once aimed at Google at a smaller set of companies.