I do a lot these days to get pickier about where my time and attention go, and keeping unnecessary phone calls at bay is near the top of the hit list. For years now, I've pled for "Spam Assassin" or something like regular expressions for my phone. GrandCentral may not be that smart yet, but it's years ahead of the options I've seen from landline carriers.

The features of Google's recent acquisition are many and powerful, but a few of my own favorite bits bubble up in this screengrab I took this morning (from a robot UPS phone call, alerting me to a signature-required package that's out on the truck).

I can't imagine going back to typical phone options after having access to: