Between 31 july and 4 august OHM2013 ("Observe. Hack. Make.") will take place in Holland. I'll have a talk on the 4th at 16.00 about how network protocols that let you run your own server foster freedom, while monolithic services such as Facebook and Twitter do the opposite.
These are the slides for my talk "federation fosters freedom" at OHM2013. (PDF.)
Read the article - posted 2013-08-03