# Terms of use

Revision 1 (11 October 2026) · Modeled snapshot · through 8 October 2026.

All figures are research-informed estimates of analytical activity. Significant errors may remain; decimal places do not imply measurement precision.

By accessing or using this visualization, you agree to [Columnar Technologies Inc.’s Terms and Conditions](https://columnar.tech/terms) and the additional terms below. If you do not agree, please do not use it. The main Terms and Conditions govern if there is any conflict.

## Purpose and limitations

Columnar Technologies Inc. publishes this visualization for educational and informational purposes. It presents a research-informed interpretation of analytical database history. The modeled shares, groupings, and connections are estimates and editorial judgments, not independently verified market measurements.

This analysis is based solely on publicly available information. No private, proprietary, or confidential information was used in its preparation.

We have researched and refined the material, but significant errors and omissions may remain. The visualization is provided “as is,” without warranties of accuracy, completeness, or fitness for a particular purpose. It should not be relied upon as the sole basis for purchasing, investment, or other business decisions.

## Sharing and attribution

When sharing or citing this visualization, please make clear that its figures are illustrative estimates. Do not present exact figures, implied comparisons, or other inferences drawn from it as factual claims or forecasts made by Columnar Technologies Inc.

Any sharing or reuse remains subject to the main Terms and Conditions. Screenshots and excerpts should retain the estimate notice, attribution to Columnar, and enough context to avoid misleading readers, and include a link to this site. References to products or companies do not imply their endorsement of this visualization.

## Questions and corrections

Questions, corrections, and requests to reconsider an estimate are welcome at [hello@columnar.tech](mailto:hello@columnar.tech). Please include sources or other information that supports your claims or proposed changes.

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[Markdown overview](https://history.columnar.tech/index.md) · [Interactive visualization](https://history.columnar.tech/#terms) · [Methodology](https://history.columnar.tech/methodology.md) · [Terms of use](https://history.columnar.tech/terms.md)

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