Robert Scoble writes: “What’s Google learning from their WiFi Network?”, pointing to a Motley Fool article: “Why I Fear google WiFi”.
Both articles are spot on. With that much data is traveling over a single network, collection is a simple task (and as Robert points out: required by law). Mining of the data is a logical activity; how that data is used raises concerns across the board.
I captured some comments and links back in July in “What Google Knows About You”.