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Mobile Minutes: Apple and Buffet; Telemedicine showdown; France takes on social media; Facebook sells more video ads

Berkshire Hathaway, the conglomerate run by Buffett, disclosed in a regulatory filing Monday that it purchased more than 9.8 million shares in Apple during the first quarter. It marks Berkshire's first investment in Apple.

Google and Apple Inc. have some bright ideas about the future of health care. Not so long ago, AT&T Inc. and Verizon Communications Inc. had similar ideas: a networked world of devices and services that would revolutionize how medicine is practiced in the U.S. and, in the process, tap into a huge new vein of business.

Three French organizations say they will file legal complaints against Facebook, Twitter and Google's YouTube service for failing to remove 'hateful content' posted on their sites.

Facebook is now selling video ads on behalf of other companies, a move that could prove lucrative for the tech giant and intensify its competition with Google and other online ad specialists.