What are different channels of communication to push information out to a sales organization?

Email (single topic)
Weekly bulletin with multiple topics. Email or print.
Slack channel
Short video
Regular cadence of webinars (e.g. weekly, monthly, etc.)
Team meetings
Structured agendas for team meetings
Conference calls (phone only)
Phone trees
Group text
Websites 
Website with notifications
Carrier pigeon
Ravens (if you're in Game of Thrones)