Understanding how data is collected and shared is a critical component of cybersecurity and data privacy compliance. A recent PLI briefing looked at big data through the lens of businesses that use it for marketing, considering the various means by which it is collected, shared and used, the panoply of relevant laws and the related enforcement and litigation landscape. In addition to providing insight on these aspects, the program’s featured speaker, Robert H. Newman, a partner at Winston & Strawn, offered practical guidance for addressing big data issues in contracts and for dealing with data brokers. See also “Keeping Up With Technology and Regulatory Changes in Online Advertising to Mitigate Risks” (Jan. 6, 2016).