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Data smog refers to an overwhelming amount of data and information — often obtained through an internet search — whose volume serves more to confuse the user than illuminate a topic. Data smog is a term coined from a book written by the journalist David Shenk, which deals with the influence of the information technology revolution and how the vast amount of information available online make it increasingly difficult to separate facts from fiction.
The amount of data available on nearly any topic today is overwhelming, and while it can be advantageous, this constant bombardment can also have side effects that are not unlike air pollution in that they are gradual, insidious and largely invisible. These include impaired performance and increased stress. Experts have provided tips on how to avoid the effects of data smog. These include: