How Google is trying to account for shifts in how we browse online.

Facebook will partner with Nielsen to track how its subscribers watch television.

Retail stores have moved beyond Internet cookies to physical tracking, what's the big deal?

Advertisers are not amused. In the upcoming version of Windows, Internet Explorer will have its "Do Not Track" feature turned on by default. Goodbye creepy ads that seem to follow you around — hello, more generic ads for great deals on car insurance?