Microsoft is set to unveil Windows 9 today at 1PM Eastern Time/10AM Pacific Time, and we've got the info!
This post will be updated as information pours out of the event, so keep an eye out for updates!
PRE-EVENT
Both Mary Jo Foley and Paul Thurrott have posted Tweets showing that Windows2015 is the wifi password for the event. For those who wish to speculate, this could possibly be the name of the new OS, or a placeholder that's more consumer friendly than Threshold.
Hm. pic.twitter.com/TX49sYWT2o— Paul Thurrott (@thurrott) September 30, 2014
We're inside the SF Threshold event. Wireless passcode is Windows2015. Let the crazy rumors begin (again)The event is about to start!— Mary Jo Foley (@maryjofoley) September 30, 2014
DURING EVENT
And so it begins pic.twitter.com/apiLMKhzmTUPDATE: The name is Windows 10! That doesn't quite seem to make sense, but we'll find out more soon enough.— Paul Thurrott (@thurrott) September 30, 2014
Joe Belfiore is going on stage to demonstrate Windows 10, now.
Windows 10 build 9841 pic.twitter.com/JsOXM7VLTd— Paul Thurrott (@thurrott) September 30, 2014
Start menu pic.twitter.com/lPrJSvODclA couple screens of the new build of Windows 10! It's been confirmed that preview builds will be handed out after the event.— Paul Thurrott (@thurrott) September 30, 2014
UPDATE: The start menu can be resized to any size you want! There's now a "Task view" button on the taskbar - no word on what this does yet.
UPDATE: Task view allows virtual desktops, and seeing the active windows on each desktop. Windows can be arranged from task view.
UPDATE: Command prompt now has keyboard shortcuts, such as control+v and control+c. Windows can be tiled (1 window in each corner of the screen)
UPDATE: Talking about touch features. The charms bar is still enabled. Apparently, they're going to change a good deal.
UPDATE: Two-in-one devices will change UI depending on if a keyboard is enabled or not. The UI can enlarge and become more touch-friendly if needed.
UPDATE: Windows Insider Program launches tomorrow. Might be when the public gets the preview.
UPDATE: Build 2015 will be in April. Microsoft will discuss the consumer preview (a much more polished preview than the technical one we're going to receive) and release dates there.
UPDATE: "Windows 10 is a fitting name because of what's happening in this release"
UPDATE: Pricing is not being talked about today. This is about the user experience.
UPDATE: Main event is over. The press is off to play with Windows 10!
POST-EVENT UPDATE: Microsoft themselves have put out a blog post and a video about Windows 10, you can find the video below, and the blog post here!