UK media regulator Ofcom plans to investigate the cloud computing, personal messaging, and smart device markets over competition concerns (Ryan Browne/CNBC)

Ryan Browne / CNBC:
UK media regulator Ofcom plans to investigate the cloud computing, personal messaging, and smart device markets over competition concerns  —  - Ofcom, the U.K. media watchdog, is set to launch a study examining the role of Amazon, Microsoft and Google in the cloud services market.