Some readers will naturally be more or less active in evangelizing the work you do, but particular communities, topics, writing styles and content types regularly play better than others on the web.
For example, great infographics that strike a chord ( like this one), beautiful videos that tell a story (like this one) and remarkable collections of facts that challenge common assumptions (like this one) are all targeted at audiences likely to share (geeks with facial hair, those interested in weight loss and those with political thoughts about macroeconomics respectively).
The University of Göttingen is an internationally renowned research university with a long tradition.
Founded in the Age of Enlightenment in 1737, it is committed to the values of social responsibility of science, democracy, tolerance and justice.
Not all of the tactics will work for everyone, but at least some of these should be applicable and useful.