Apple, Google, Microsoft increasingly defying U.S. government, informing customers of data demands

Google already notifies customers unless prohibited by law

If the government demands your personal, private email or other data, Microsoft, Google, Facebook, Apple, and others are reportedly taking steps to notify you faster and more frequently than they did in the past. That's putting them at odds with prosecutors who believe such notifications can interfere with ongoing investigations and evidence gathering.

source: androidcentral