It's the last day at Mobile World Congress 2015 in Barcelona, and the week has been filled with elaborate booths from the world's largest tech companies, lots of new product announcements and launches, as well as keynotes and panel discussions featuring prominent figures from the tech world.

The conference's key discussions focused on the future of connecting more devices and people.

Highlights included:

  • Virtual reality as a platform for content and gaming
  • Xiaomi's first foray into western markets
  • Connected car use-cases and the state of the autonomous car
  • How to connect the next billion smartphone users

Virtual Reality, content, and gaming

The conference was abuzz with virtual reality (VR), both from a hardware and content standpoint.

  • At its Unpacked keynote event, Samsung revealed two new Galaxy phones but piggybacked those smartphone announcements with the launch of a new version of its Gear VR headset that is compatible with the new Galaxy S6. Samsung's Gear VR headsets function as a sophisticated port for Samsung Galaxy phones, which display and process the images as a VR experience.
  • The VR hardware highlight was HTC's Vive VR Headset, a new headset the company built in conjunction with Valve, a video game software development company. This headset was the only truly new entry into the VR headset category, and will likely directly compete with Facebook's Oculus. 
  • Facebook-owned VR headset pioneer Oculus had a full-blown demo, allowing attendees to try the headset's immersive experience, which has been touted as a new communications platform. Facebook CEO Mark Zuckerberg said the device would expand beyond immersive gaming and into many other experiences, like remote-learning and healthcare. 

htc vive virtual reality headsetBusiness Insider

In addition to new VR hardware, there were also several discussions about VR as a platform for content and gaming.

At the keynote, "Content Evolution for the Multi-Form Factor Future," panelists discussed building out legacy content like TV and movies not only for smartphones and tablets, but also for virtual reality platforms.

"The most exciting evolution in the content space is going to be VR," [...]