---
name: Metamarkets
domain: metamarkets.com
priority: 3
---
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<a class="external-link" href="https://www.metamarkets.com" rel="nofollow">Metamarkets</a>  offers an interactive analytics platform for buyers and sellers of programmatic advertising. It uses Samza to transform and join real-time event streams, then forward them into a Druid cluster for interactive querying.