Introduction.- Part I Merger Review.- (Ir-) Relevant Markets in the High Technology Sector (?).-Salient Features of the ICT Sector.- Theory of Harm: Unilateral Effects in ICT Mergers.- Theories of Harm: Vertical Effects in ICT Mergers.- Theories of Harm: Conglomerate Effects and Types of Evidence.- Merger Control in the EU and the UK.- Merger Control in the US.- Part II Merger Remedies and Merger Remedy-related Arbitration.- Mergers, Innovation and Remedies' Design.- Merger Remedies.- Structural Remedies.- Non-structural Remedies.- Remedies in the Telecommunications Sector.- Merger Remedy-Related Arbitration: une innovation suprenante.- RTI v. Sky: The First Reported Case of Merger Remedy Related Arbitration.- Monitoring Trustee.- Part III Big Data Mergers: Merger Review and Remedies.- Big Data and Merger Control.- Part IV Summary, Conclusions and the Road Ahead.- Summary, Conclusions and Further Research