From a newly found CT blog an article that sets out to:
To understand the utility of bulk communications data in intelligence and CT, you first need to re-consider the needle/haystack analogy typically used when discussing intelligence agency use of bulk datasets.

(He ends with) contrary to Binney’s evidence – bulk communications data does and should play a critical role in the work of UK intelligence agencies.
Link:https://counterterrorismmatters.word...ll-submission/