Taking the integrated real-time information system for power dispatching of Shinan power Supply Company as an example, several technical problems in integrated system were expatiated.

That's because the glasses are wired to position and orientation sensors that track the wearer's gaze, and the system USES this information to alter the image accordingly in real time for each user.

NASA Earth Observatory image by Jesse Allen, using near-real-time data provided courtesy of TRMM Science data and Information System at Goddard Space Flight Center.