Cnet: Once invitation-only, Google Voice's free telecommunications service for U.S. residents is now available to all. There are so many features, getting started can be confusing for first-timers.
Google Now has a tendency to add voice commands without most people noticing. Besides the few listed in-app, Google hides most of its commands, perhaps the most useful ones.
Google might be eavesdropping more than you had originally imagined, though not on purpose.
Since June 2015, Google has been storing personal data on its users on a website, where users only have access to their own information. The feature works a bit like a digital diary, storing web searches, YouTube history, and (you guessed it!) Google Voice Search history.