Mr. Perry then decided to notify local law enforcement agencies and school districts in the state's 254 counties.
In the two years of memos seen by the Guardian, this was the only specific strike detailed, raising questions as to why GCHQ's team decided to notify staff about this particular strike among hundreds.
Twitter decided to notify its users and said in a statement, "...it's our policy to notify users about law enforcement and governmental requests for their information, unless we are prevented by law from doing so".
But it will be left to police and probation officers to decide whether to notify neighbours or headteachers about the presence of a paedophile.
The commission outlined an information-sharing plan, but there was no decision to change the system in place, which lets carmakers decide when to notify national agencies, said Ton van Lierop, a commission spokesman.
The commission outlined to the experts how they could share information when car companies discover deficiencies, but no decisions were made to change the system, which allows car makers to decide when to notify national agencies of problems, said Ton van Lierop, a commission spokesman.
"We weigh the cost of interruption against the benefits of seeing time-critical information," says Dr Horvitz.During a video-conference call, for example, the system might decide not to notify you that a piece of spam had arrived in your mailbox.
Although National IHR Focal Points may decide not to notify or report an outbreak under IHR (2005), it is vital that they publish rapid reports involving imported and exported foods, given the potential of these foods to spread disease internationally, and consult with WHO through INFOSAN Emergency.
Thus, city health officials said, they decided not to notify the mayor's office.
