With the capriccios, combining real and imaginary places, ancient and modern architecture in one picture, Guardi is in his element.

WSJ: Appreciating Francesco Guardi's Changing Genres/ A Guardi Retropsective at Museo Correr in Venice

Instead of relying solely on GPS to determine position, the SiRFstarV architecture gathers real-time information from GPS, Galileo, Glonass and Compass (when operational) satellites, multiple radio systems, such as cellular and Wi-Fi(R), and multiple MEMS sensors, like accelerometers, gyros and compasses.

ENGADGET: CSR sharpens indoor and in-car navigation with SiRFstarV, SiRFusion and SiRFprimaII

This essentially pulls all commenters into the Facebook architecture, meaning that most people will now be commenting with their real identity, and if, like me, you don't have a Facebook account, you can't comment there at all.

ENGADGET: Editorial: Facebook, single identities, and the right to be anonymous