[greenokapi]

Details are hard to find, but I've heard that the price tag for the Yahoo deal was high due to a bidding war with Bing.

[biot]

Details are in the article. Yahoo needed to overcome Google's guaranteed payments of $300M/year, thus the $375M/year amount and favorable exit clause in the event of a Yahoo acquisition.

[fweespeech]

Yeah, iirc, that was the case as well which is why I'd assume Bing.