17 steps19.6M copiesHIS-00340
Where “Periscope” started
Periscope, on App stores, Mar 26, 2015. It reached 5 platforms in 6.0 years.
LineageEach dot, 100,000 captured broadcasts, May 15–Aug 20, 2015; known crawler gapContestedKey steps, 12 of 17. Lines follow time and platform
