Readit Newsresponding to government information requests without due process. google isn't in the business of protecting civil liberties.
i wonder if they're filtering our email on a mass scale for suspicious activities, as defined by Dept Homeland Security? if they were, it would be classified, and none of us would know the difference.
heck, turns out one of my buddies used to be a drug dealer, i had no idea, and at the time he was all over my social graph. i wonder if it will come up next time I apply for a security clearance. I might never know - an old manager once told me how clearance applications have a way of getting lost in the system when things aren't perfect - once eyebrows are raised, you enter a whole new set of processes and red tape that nobody wants to deal with.
Even if that use case has some utility (of which I'm dubious), it still needlessly breaks the addressability semantics of URLs. It would be much better, in my opinion, to have the backend issue redirect to an unambiguous URL that refers to the static resource, then let the web server do the thing it's good at.
24 hours, 7 days, 1 month, 1 year, indefinitely