Like a prism to a ray of sunlight, stream-hacking startup Mediasift CEO Nick Halstead took the stage today with Twitter's Ryan Sarver at the Data 2.0 conference to announce Twitter's second data resales channel partnership. Halstead's service will allow customers to parse the full Twitter fire hose along any of the 40 fields of data hidden inside every Tweet, with the addition of augmented data layers from services including Klout (influence metrics), PeerIndex (influence), Qwerly (linked social media accounts) and Lexalytics (text and sentiment analysis). Storage, post-processing and historical snapshots will also be available. The price? Dirt cheap. Halstead told me after the announcement that customers would be able to apply as many as 10,000 keyword filters to the fire hose for as little as 30 cents an hour. The most computationally expensive filtering Mediasift will offer won't be priced above $8k per year. (Pricing approximate ...