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Do women want the C-sections they’re getting?; iPad apps for pets; a new experimental drug for HIV; the most viral links of 2010; and a new test for Alzheimer’s disease

The top 10 product releases of the year, according to Forbes; a ballerina fights back against the critic who called her fat; a revealing profile of Oprah and her future plans; why Twitter is for narcissists; and breast cancer is on the rise among pregnant women.