Today on America Weekend, Kara Swisher of joined me to talk about the D11 media and technology conference that took place last week in Rancho Palos Verdes, California. Among our topics: wearable computers (Google Glass is just the beginning), a new swallowable pill from Motorola that will serve as your secure login to devices and websites, the end of the PC era and its impact on Microsoft, and whether Yahoo’s purchase of Tumblr is good for either company.

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