Earlier quoted context omitted.
Read both sides of the story rather than just Google's accusations: http://searchengineland.com/google-bing-is-cheating-copying-... http://searchengineland.com/bing-why-googles-wrong-in-its-ac...
"Google alleges that Bing monitors what people search for on its site, if they have Internet Explorer equipped with certain features. Bing doesn’t dispute this. But Bing isn’t just monitoring what happens at Google. It monitors what people do as they travel across the entire web." I'd love to see that on the Scroogled page. (I recognize that on the internet I have basically no privacy from people who want to extract…
Also, AFAIK Hotmail (or live or outlook or whatever it's called now) does not, and never has, targeted ads based on keywords in the email. I'm not that big on privacy so I still use Gmail but at least MS is not being hypocritical in that respect.
Bing search, on the other hand, does all the sorts of tracking and mining Google (and Facebook etc.) does, but so far the Scroogled campaign hasn't said anything about search.