(googleblog)

"In May we announced that we had mistakenly collected unencrypted WiFi payload data (information sent over networks) using our Street View cars. We work hard at Google to earn your trust, and we’re acutely aware that we failed badly here. So we’ve spent the past several months looking at how to strengthen our internal privacy and security practices, as well as talking to external regulators globally about possible improvements to our policies. Here’s a summary of the changes we’re now making..."
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