This paper introduces the legal framework for the use of computer programmers, software developers, system analysts, program analysts, systems software designers, software application designers, source code editors and end-users who are taking over many of the tasks previously performed by programmers. They are required to share a strong understanding of ‘privacy by design’ and the legal rules before handling ‘Big Data’ and ‘Online content’, taking into consideration that the way the legislation shapes access to data may overlap or even conflict with IP rights (mainly copyright) and contract laws.