Hamburg.
The next speaker at ECREA 2010 is Jonathan Hickman, whose interest is in #hashtags on Twitter. Hashtags are a simple way for Twitter users to organise their conversations, by putting the ‘#’ symbol in front of words to make tweets on specific topics more easily searchable (e.g. #iranelection). The hashtag is a form of metadata in that it describes the content of the tweets. This is part of a wider practice of tagging in computer-mediated content; tags are widely used for a wide variety of online materials.
However, there are also problems with this, as these tags are user-generated (and thus examples of folksonomies), and may not necessarily be consistent; this conference, for example, can be found on Twitter under the hashtags #ECC10, #ECC2010, or #ECREA2010… In this, they are different from hierarchically coordinated taxonomies.