Indeed it has been known for many centuries that the written word could depose rulers more swiftly than any sword. "The indispensable catalyst is the word, the explanatory idea. More than petards or stilettos, therefore, words - uncontrolled words, circulating freely, underground, rebelliously, not gotten up in dress uniforms, uncertified - frighten tyrants." -- Ryszard Kapuscinski, Shah of Shahs In the modern world however the typed word and even the encoded word has become the more powerful entity. Newspapers yield their control of popular media to an internet of blogs and the world finds itself more dependent upon technology than ever...

It's a tricky problem and one that I'm currently researching. I began with an investigation into MathML, which I have written up here: http://devblog.stuartthompson.net/2009/08/mathnotationontheweb/