Mobile World Congress 2019 started on February 25 and till now, we have mostly seen all the major announcements from the tech show. Here, we bring to you 11 key announcements that you must know about:
4Microsoft launched the HoloLens 2

Software giant Microsoft took wraps off its new Hololens 2 at the Mobile World Congress 2019. Hololens 2 is Microsoft’s second-generation mixed reality headset and it is touted to come with improved gesture controls, enhanced performance and higher power efficiency. The device is powered by Qualcomm Snapdragon 850 Compute Platform and has a custom-built Holographic Processing Unit.