 to create this huge pond of data", an unnamed U.S. official said, "but you have to establish a reason to stick your pole in the water and start fishing".Under the new procedures passed by the U.S. Congress in the FISA Amendments Act of 2008, even the collection of metadata must be considered "relevant" to a terrorism investigation or other intelligence activities.The court has indicated that while individual pieces of data may not appear "relevant" to a terrorism investigation, the total picture that the bits of data create may in fact be relevant, according to U.S. officials with knowledge of the decisions.