This theoretical threat presupposes a compromised Google account, and Google had worked hard to reduce the possibility of hijacking accounts through tools like phishing and malware detection in Chrome and Gmail, default HTTPS in Gmail, 2-step verification, and others.
As of Oct. 2, 2012, there are about 82, 593 Chrome users who installed these ads-injected plugins, and the total number is still climbing fast day by day, e.g.
Whereas the original prototype had a thin, flimsy shell, the Virta 2's gone downright rugged, ditching the iPhone chrome for a more durable gunmetal frame, and there's a full compliment of sensors (compass, accelerometer, ambient light and proximity) alongside quad-band radios, WiFi, Bluetooth and a pair of cameras for your video chat testing needs.