Wow... I'm guessing (hoping) their lawyers made sure to go over their old agreements with a very fine comb to make sure their license for the software allowed

Wow... I'm guessing (hoping) their lawyers made sure to go over their old agreements with a very fine comb to make sure their license for the software allowed them to open source this. Don't get me wrong, they've added a lot to it, but there's a lot of code in there that could only have come from their purchase of Overture, who had purchased AllTheWeb from FAST (which was itself purchased by Microsoft).