A System That Provides Tone-Activated Notification of Emergencies Throughout Most

question 2

Short Answer

A system that provides tone-activated notification of emergencies throughout most of the United States is a _________________.

---

Definitions:

Google Wallet

A digital payment service developed by Google that allows users to store and use various forms of payment.

Tencent

A major Chinese technology and entertainment conglomerate known for its social messaging app WeChat and its vast portfolio of video games and online services.

Cellular Technologies

Technologies for mobile communication that enable the transmission of voice and data over a network of geographically divided cells from a mobile device to a cell site.

GasBuddy

GasBuddy is a mobile application that helps users find nearby gas stations with the cheapest prices and provides other services such as reviews and amenities.