If you like to contact me, here are a few options.

  • Email usually works best: you can use “rolf” at the domain of this site, or “rolfkleef” at Gmail.
  • You could also try via @rolfkleef on Twitter
  • Or see if I’m online for a chat on Skype, Google Talk, or IRC. SMS may work too.
  • For urgent stuff, try a voice call via Skype or on +31 20 893 2772

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