Emergency response methods have undergone significant changes over the past 25 years. A digital network has been established to improve communication, particularly in areas with weak signals. This network is valued at $19 million and enhances communication in high-rises and other previously shielded areas.

Further details are available from the source about the impact of the 9/11 attacks on emergency response. Officials have learned from past mistakes, leading to improved safety measures.

A fire rescue chief noted that lessons learned from the past have led to better emergency response capabilities, but the full extent of these changes is not specified here.