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As of 2012, gigabyte (GB) is the most common storage unit, with expected domination by the TB in the near future. The PB unit is expected to take over the number one position within a few years, opening the door to the Petabyte Age.
Data mining over PBs of data will allow an infinite inflow of knowledge. For example, the this data mining capacity could mean checking international news items to identify troublespots and locations, as well as trends and concerns of high significance or severity - without needing to recognize their root causes. This kind of geotagging has already begun in the form of projects like Europe Media Monitor (EMM) and Google Zeitgeist. As a result, it is predicted that in the Petabyte Age, existing scientific strategies for hypothesizing, modeling and testing data will be substituted with huge data volume. Inferences from huge volumes of data compiled from around the globe would require no data modeling, as the numbers would undoubtedly speak for themselves.