In Canada, protection of a free press is so ingrained that we almost take it for granted. In Tanzania, unfortunately, one op-ed really can mean the difference between earning a living and the death of an entire paper.
Legal experts are calling it "the biggest global threat to the internet." It's called the Trans-Pacific Partnership, and it will essentially criminalize free use of any website that uses copyrighted material. YouTube, Facebook, blogs with links -- all of it potentially blacklisted under this new order.
Twitter is becoming a powerful threat to government because anyone, anywhere can participate anonymously and all voices are on an equal playing field. This tool's ability to quickly assemble groups from the comfort of one's home is making governments tremble.