Think about it for a moment: do you recall a single instance when you were actually glad that you answered a telephone call from a blocked number. Unless that bill collector turned out to be your future spouse, the answer is likely no. Now, Google Voice users will find an extra perk in the online settings that should take the edge off of receiving calls from unknown sources. You'll now find the ability to screen anonymous callers, whereby the system will prompt the individual to state their name, and only then will your phone ring.
Engadget, Google Voice brings greater control over anonymous and unknown callers
