An anonymous reader writes: Microsoft's HoloLens, touted as the world's 'first and only fully untethered holographic computer' is available today for pre-order and will ship on March 30. The HoloLens Development Edition is available for purchase to qualified developer applicants and will cost $3,000. While the augmented-reality headset is still far from a commercial release to consumers, Microsoft will release six applications that run on the holographic platform – a mix of development tools, games, and user programs. From today, developers can access documentation, guides and tutorials for HoloLens. Additional development tools will be made available when the first HoloLens ship at the end of March, including Visual Studio projects and a HoloLens emulator, which will allow testing of holographic apps on a PC without a physical HoloLens.