In the ARS article about Verizon throttling the CA fire dept's service they said the throttling policy was changed from "throttling during high congestion" to "

In the ARS article about Verizon throttling the CA fire dept's service they said the throttling policy was changed from "throttling during high congestion" to "throttling when they use their alloted amount of 'unlimited' data". This change was made basically immediately after the repeal went into effect.