From time to time, I'll give an overview of one broad MediaShift topic, annotated with online resources and plenty of tips. The idea is to help you understand the topic, learn the jargon, and take action. I've already covered Twitter, citizen journalism, alternative models for newspapers and other t...

Last summer, the British cell phone carrier Vodafone announced it would be offering a new filtering service for its Czech customers. "Child pornography and promotion of racism [are] such socially dangerous content that we have access to it automatically blocked for all of our customers," said Philip...