The merging of two data giants is cause for concern and scrutiny; when these mergers include the ability to combine datasets containing personal data about third parties, such as people that are not the direct customers of these companies, there is an additional reason for concern and for demanding that there be oversight, argue BKC affiliate Elettra Bietti and Reuben Binns in a working draft of a paper that addresses this issue and the role that antitrust authorities could play with regard to mergers and acquisitions in the third party tracking industry.