In T153#13719, @Mattflaschen wrote:
Another problem is the google jsapi implementation for the charts. Using a local js library, like Raphael or Flot, loaded with celerity would be better.
Yes, that sounds like a blocker for production from both a licensing (Google Charts does not seem to be open source) and privacy standpoint.
Maybe one of the Analytics team's visualization tools could be helpful here.
Probably not a licensing *blocker*; obviously libre is good but it is still an improvement over previous tools. But privacy may be an issue depending on who this is exposed to and what data they'll see.