What does the program from Edward Snowden, Heartbeat, do? How does Hearbeat work and why did the NSA need it? How did Ed use it in preparing to blow the whistle? Heartbeat is a program written by Edward Snowden. It was used to pull posts from various intelligence databases. Read about Heartbeat, Snowden, and the unparalleled access to large amounts of intelligence data.
Heartbeat: Snowden Program Collected Key Documents










