Larry Lessig writes
I am completely embarrassed by my google-induced ignorance. And I’m completely committed to tying Bing now that it makes permissions so simple. I’m hopeful they can think more about whether “license” is the right word here. But regardless, Microsoft has taken an important step to make easier for users to use the content they are free to use, and respect the rights of copyright owners who don’t want their content reused.
For more see Lessig’s From now on, I’m “Bing-ing It!”. — Joe