According to ReadWriteWeb, “Gnip will offer 50% of all the messages posted to Twitter for $360,000 per year, or 5% of all messages for $60,000 per year. Gnip refers to these as the Halfhose and the Decahose and they’re also offering a Mentionhose which hones in on all @replies and retweets of a specific name.
The firehose stream can only be used internally, not displayed, so its primary function is to help developers test their social media related products. It’s also a source for companies who make a living by monitoring social media and the web. Those two appear to be Gnip’s target customers, but what about marketers? Surely there’s marketing data to be mined from 50% of Twitter’s entire data stream.