The mission of NISD is to make these technologies usable and useful for Microsoft's customers.

自然交互服务部的使命是实现这些技术并使它们为微软的客户所用。

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The new identification policy at the Northside Independent School District (NISD) in San Antonio, Texas, began at the start of the 2012 school year.

BBC: Pupil Hernandez, who refused to wear RFID, loses appeal

The tracking tags gave NISD a better idea of the numbers of students attending classes each day - the daily average of which dictates how much cash it gets from state coffers.

BBC: US school tag tracker project prompts court row

"Today's court ruling affirms NISD's position that we did make reasonable accommodation to the student by offering to remove the RFID chip from the student's smart ID badge, " the district said in a statement.

BBC: Pupil Hernandez, who refused to wear RFID, loses appeal