Brands to Watch: AOL, CNN, Olay, Vogue

* P&G, ahead of taking Olay global, names Carrie Underwood as the brand's first celebrity ambassador.

* Nissan is partnering with Dongfeng Motors on Qi Chen, a new Chinese car brand.

* Oracle's board rejects shareholder proposal calling for board-level accountability on sustainability.

* AOL taps former William Morris chairman Jim Wiatt as strategic advisor.

* Apple lost 20% of iPhone 4 sales due to "antennagate" (in Minneapolis), while the NYT's David Pogue reviews 2010 iPods, finds "modest improvements, a risky new design and one home run in the new iPod Touch."

* CNN makes it official: Piers Morgan will replace Larry King.

* Lilly will invest up to $150 million in venture funds to speed drugs.

* Oracle new hire Mark Hurd is eligible for a $10 million bonus for 2011, on top of his $950,000 salary.

* Vogue.com tests a blend of advertising and editorial content.