jimbeetle - 9:03 pm on Jul 29, 2010 (gmt 0)

There's some interesting stuff on Recorded Future's main blog and associated blogs.

Rising popularity of momentum curves [blog.recordedfuture.com] basically describes QDF:

Every time you type an entity name in the What field of our web user interface, you get a sparkline indicating the last 30 day’s momentum of that entity... The momentum measure is used to present the most relevant query results in our web user interface...