What Is a Gate Keeping Device?

"We view it as a gate keeping device, because i don't know what technology is going to be exactly three years from now," he says. "You're giving them the right to put certain equipment up there on day one." If they want to modify that, if they want to change what they're doing or how they're using the space by changing at equipment,. then they have to come to you. They tat gate. At that point you read a value weight, not based upon a point in time, but based upon an event, and you evaluite with the value of deriving from changing x to y, y to z'