| Data | Description | Storage | Volume | |
|---|---|---|---|---|
| Wikimedia edits | All edits to Wikimedia as a public stream of data | Document store | 300/second | https://www.mediawiki.org/wiki/API:Recent_changes_stream |
| Throttled Twitter feed by PubNub | A trickle of the Twitter firehose provided as a public demo by PubNub | Distributed storage | 50/sec | http://bit.ly/2sic18Y |
| Bitcoin transactions | Bitcoin transactions with information for tracking and analyzing | Database | 20/sec | https://blockchain.info/ |