The Miami-Dade County Police Department is spending at least $2.6 million to deploy ShotSpotter, a technology that detects the sound of gunshots through sensors, after an unsuccessful pilot trial in 2013.

The use of Data Communications technology has begun at Washington Dulles International Airport. The technology is part of the FAA’s NextGen Initiative, which seeks to increase safety and efficiency in airports. Data Comm technology enables text-based communication between pilots and air traffic controllers.

In Massachusetts the ed tech industry supports 25,000 jobs in 430 companies, making the state a leader in the ed tech space, according to LearnLaunch’s first Massachusetts Ed tech Workforce Report.

North Carolina legislators seek to limit the public’s access to police video recordings. A law effective Oct. 1 excludes police body and dashboard cameras from the public record. The law allows only people involved in the case to review it–at police discretion. For those not involved in the case, including media, protesters, and activist groups, viewing the footage will require a court order.

The Obama administration awarded $80 million in investments in smart city initiatives that have innovative ways to protect the environment, update transportation, increase public safety, and transform city services. The number of participating cities has doubled since September 2015, when the White House first launched the Smart Cities Initiative, exceeding 70 communities.

A text messaging service called HelloVote launched Thursday to allow people to register to vote in minutes by texting or using Facebook Messenger.

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