So, you need to provide Microsoft with your login credentials to do this. Brilliant. Bet that violates Facebook's TOS.
You have no idea what you're talking about, do you? Facebook Connect goes via Facebook. It's like OpenID. You don't even need to provide your password if you're already logged in.
I have no idea of why I would want Microsoft to allow Facebook to know all of the searches I do on Bing. In fact, I have no idea of who would want this.
Searches from Bing don't count, only from so.cl site. It's made for collaborative searching and discovery.
Gravity is a myth, the Earth sucks.