Wednesday was a big day for Microsoft.
The tech company unveiled Windows 10, announced a new browser called Project Spartan and introduced a new VR headset called HoloLens at a live event on Wednesday.
To help you digest all this news and understand what it means for Microsoft moving forward, the Mashable tech team is hosting a MashTalk Hangout on Air at 7 p.m. EST on Wednesday, January 21. Mashable Senior Tech Analyst Christina Warren will be joined by Tech Editor Pete Pachal, Deputy Editor Chris Taylor and Chief Correspondent Lance Ulanoff — who is at Microsoft's campus in Redmond, Washington.