The next speaker at ECREA 2012 is Sonia González Molina, whose interest is in the use of social media by the Catalan Road Service, the main source of official road information in Catalunya. She interviewed the responsible communication officers and analysed the organisation's Twitter and YouTube accounts as well as corporate documents.

Digital technology was introduced to the organisation in the 1990s, in order to enhance public communicate and develop new information services. This represents a process of convergence, and specifically enabled a greater amount of dialogue communication which – ideally – connects the organisation and its audiences, enables it …

The next session at ECREA 2012 starts with my colleague Tim Highfield, presenting a paper on the Tour de France on Twitter which was co-authored with Stephen Harrington and myself. My notes on the session are below ; slides and audio will follow later. Tim's slides and audio.

The Tour is a global media event with a substantial social media audiences, and is watched for the sporting action, as an act of sports fandom, as well as as a media event in its own right …

My own paper starts the ICA-flavoured session at ECREA 2012 this afternoon; my presentation built on our research into the uses of Twitter to explore how we might reconceptualise the public sphere. The slides are below; audio will follow. now online, too.

Social Media, Big Data, and the Public Sphere from Axel Bruns

The final speaker in this AoIR 2012 session is Sheetal Agarwal, whose focus is also on Occupy-related Twitter networks. Is Occupy a networked organisation, and if so, what kind of networked organisation? How might its organisational features be assessed? There are plenty of theories about organisation, from organisational sociology to political economy, which have been applied to the study of communication networks, international relations, and digital media. Such theories variously see organisations as bounded or unbounded, intentional or emergent, membership-driven and/or issue-focussed.

Common to organisations are strategies for resource allocation, responsiveness to external environments and flows, and capabilities for long-term …

The next speaker at AoIR 2012 is Sky Croeser, co-presenting with the very busy Tim Highfield. Her focus is on Occupy Oakland, a subset of the overall Occupy movement, and its use of the #oo Twitter hashtag. Occupy Oakland is shaped by the radical history of Oakland – the Black Panthers emerged here, and there have been more recent public protests in the city as well.

Fairly violent clearouts of the campsite took place across the timeframe of the Occupy Oakland campaign, since October 2011. The local movement has gained a particular reputation within the overall Occupy movement.

Tim and …

The next session at AoIR 2012 starts with a paper by my colleague Tim Highfield that Stephen Harrington and I contributed to as well – he's focussing on Australian politics on Twitter. (Slides and audio to follow.) Here are the slides and audio; my notes on the presentation are below.

Australian politics has been online for some time, in various forms – political blogs played a role in discussion around the 2007 federal election, for example, but the people blogging were mainly interested citizens following …

The next session at AoIR 2012 begins with a paper presented by Julian Ausserhofer and Axel Maireder about national politics on Twitter, in the case of Austria. Twitter is now being used by a range of political actors in the country, including journalists and politicians, who are at times publicly interacting with one another using the platform. Many users also link to news media materials, of course.

Twitter communication is public by default; there is a low threshold to communication and Twitter is very open to participation. At the same time, the question is whether this leads to a …