You know how when you use a big bill to buy a train ticket or stamps from a vending machine and unexpectedly get a handful of Susan B.

NEWYORKER: Dead in the Water

It began as a low rumble, I thought it was a train or large machine on the road at first, but when the whole house began to shake I realised it could only be an earthquake or perhaps a large plane crash.

BBC: Cumbria quake: Your comments

In the unstructured data world, especially text, the big trend is predictive coding or predictive analytics that identify high-risk communications, flag them for followup and use machine learning to train a data set.

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