Periscope is ever-changing - just like any live streaming app should be! There's a lot to keep up with, and that's exactly what this SlideShare presentation is about.
Your comments/social media shares are MUCH appreciated!
Also, you can learn anything you need to about Periscope in this Periscope Tutorial at Traffic Generation Café:
http://www.trafficgenerationcafe.com/periscope-tutorial/