Twitter has an agreement with Datasift which will mine historical Tweets as far back as January 2010.UK-based Datasift is the first company to offer the archive.
DataSift offers the most powerful and sophisticated tools for extracting value from Social Data
DataSift will analyze public tweets, not private ones. If you delete a tweet, it’s deleted from DataSift’s archives.
Nick Halstead – Founder and CTO, DataSift said,“With Historics we’ve democratized and simplified how businesses can unlock insights from billions of social conversations.”
Twitter has been trying to monetise its business since it became popular in 2007.This one kind of monetising.