We are relying on Twitter as one of the most used service for sharing links and news with colleagues and friends. Twitter is thus a good example for the power of the Artefact-Actor-Network model. In my personal blog I published the following article that is also interesting for this audience:
With the recent announcement from Twitter [...]

In the coming months we will apply Artefact-Actor-Networks to several scientific conferences in order to enhance the attendees’ awareness of what is going on at the conference. These small-scale studies are being carried out under the umbrella of the STELLAR network of excellence.
For doing so we will ask attendees of scientific conferences (e.g. EC-TEL 2010 [...]