Preface

If it’s March or December, watch out. You may be headed for a break up. Authors David McCandless and Lee Byron, two experts on data visualization, analyzed 10,000 Facebook status updates and plotted them on a graph. They figured out some amazing insights. Breakups spike around spring break and then again two weeks before the winter holidays.

If it’s Christmas Day, on the other hand, you’re in good shape. Fewer breakups happen on Christmas than on any other day of the year. If you’re thinking that Big Data is a far off topic with little relevance to your daily life, think again. Data is changing how dating sites organize user profiles, how marketers target you to get you to buy products, and even how we track our fitness goals so we can ...

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