Somini Sengupta reports in the New York Times
The current statute requires a warrant for e-mails that are less than six months old. But it lets the authorities gain access to older communications — or bizarrely, e-mails that have already been opened — with just a subpoena and no judicial review.
The law governs the privacy of practically everything entrusted to the Internet — family photos stored with a Web service, journal entries kept online, company documents uploaded to the cloud, and the flurry of e-mails exchanged every day. The problem is that it was written when the cloud was just vapor in the sky.