Tomasz Tunguz Blog · 2026-01-20 · 135d

The Postmodern Data Stack is AI: How Consolidation is Reshaping Enterprise Data Infrastructure

The modern data stack, which generated over $100 billion in market cap, is transitioning toward a postmodern AI-driven stack that combines structured and unstructured data at scale. Recent strategic acquisitions by Datadog, Snowflake, and ClickHouse signal this consolidation shift, with focus on AI observability and understanding customer usage patterns. The next wave will include evaluations and agent orchestration components.

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Metrics in this report

Blog Subscriber Base

150k+

minimum

Tomasz Tunguz readers (founders & operators)

Modern Data Stack Market Cap

100$B

cumulative

entire modern data stack market

Snowflake Observe Acquisition Price

1$B

exact

Observe acquisition January 2026