SaaS or cloud computing is rapidly changing the way corporations operate on every level. Investment in cloud technologies allows all business units, including the legal department, to become more efficient, more cost effective and more innovative. Interestingly, the cloud technologies that have driven innovation are also creating growing volumes of data stored in disparate locations — which makes the preservation of electronically stored information (ESI) for litigation response more challenging. As corporate legal departments struggle to contend with Big Data, varying data types and disparate storage repositories, e-discovery becomes more complicated and costly (by rosalee). To tackle the ever-growing problem of Big Data, lawyers will need to tap into the supercomputing powers of true SaaS.