We already know many of the key features in Windows 8.1, but Microsoft's Build developer conference in San Francisco is where the software makes its official debut. The keynote for build kicked off at 2am Thursday 27 July Australian time, and we caught it all, from the new 3D printing feature to the belated admission that the Windows Store really needs a search dialogue. It's all here, live as it happened.

Windows 8 has arrived and Aussies are among the first to get their hands on it thanks to the way this Earth of ours rotates around the Sun. We've just sat front-and-centre at the Windows 8 Launch Event in Sydney, and have all the Windows 8 info you need to know.

Apple has an announcement at 3am September 13, and if it isn't about the next iPhone (which may well not be called the iPhone 5), huge swathes of media will be disappointed. If you want the news as it happens, Luke at Gizmodo will be live-blogging the event. If you're sleeping in, we'll have all the key facts on Australian availability here on Lifehacker once they emerge.