Good reading.

Most users are unaware that, in general, once the government lawfully collects information, under various legal doctrines they can and do use it for investigating and prosecuting crimes that have nothing to do with the original purpose of the seizure. The truth is, once the government has the information, they often use it and the law supports this all too often.

Off-site backups! And if you’re in a data-sucking country like the U.S., off-shore backups!