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 ...