Add analytics info

Author: jedi4ever

ANALYTICS.md

@@ -0,0 +1,40 @@
+# Zender Analytics
+
+## Metrics
+We track a lot of metrics, this document describes the standard ones, other metrics can be added on request.
+
+Per Stream:
+- number of people online
+- length of a user session (distribution)
+- number of emojis send
+- number of new users
+- number of returning users (1 day, 1 week, 1 month , 1 year)
+- origin (web, ios, android)
+
+Per Quiz:
+- number of people that participated in a quiz
+- per question how many people answered wrong/correct
+- number of winners
+- number of extra lives used
+- number of extra lives earned
+- number of social shares
+- leaderboards of winners
+- distribution of extra lives earned
+- money earned
+
+Per Poll:
+- number of votes
+
+Per Challenge:
+- number of media submissions
+- number of social shares
+
+Per mini-Ad: (Experimental)
+- number of click throughs
+
+Per push notification: (Experimental)
+- number of opens from push notifications
+
+## Collection
+These metrics are collected from the Zender backend. But they are also exposed in the SDK and web.
+This makes it easy on track them in your own analytics system like Adobe of Google Analytics.

README.md

@@ -11,6 +11,9 @@ Authentication:
 - [Authentication](AUTH.md)
 - [Signed Provider](SignedProvider.md)
 
+Analytics:
+- [Analytics tracked](ANALYTICS.md)
+
 API:
 - [Retrieve Quiz information](QUIZ.md)
 - [Retrieve Stream information](STREAM.md)