After writing part of your memo and hitting save, the new document would be saved to your personal files on the cloud, not on your laptop.

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The technology is exciting for organizations attempting to manage skyrocketing legal budgets because predictive coding has the potential to save organizations millions in document review costs.

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Companies with less-healthy workers would save money by waiting for the law to take effect before renewing, the document showed.

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But, said Mr Pearson, this "save as" culture could lay firms open to all kinds of problems because hidden information inside files reveals the document's true genesis.

BBC: NEWS | Technology | Document deluge threatens firms