Data analytics: UPS or Apple?

Can business analytics help users decide if they need to buy iPhone 6? What are the insights to be gained from Google Search Trends – big data hype?

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Facebook mood study: Playing with your mind

689,003 Facebook users wer part in a large experimental manipulation of their News Feeds in order to show that emotional contagion occurs on social networks. Effect was very small (0.07% i.e. about 1/15 of one percent!)

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