Made use of early inside the conference. However,the same hashtag was becoming made use of coterminously by a Bible camp. Participants at the exoplanetsScientometrics :Calcipotriol Impurity C chemical information conference selforganised on Twitter and agreed to use the hashtag #pathwaysII instead. This selforganising behaviour was observed on numerous occasions within this sample. (In one particular plaintive occurrence a nuclear physics conference was the source of two tweets in total,both from the very same physicist,who discussed with himherself an proper hashtag for the event. No one else tweeted in the conference,utilizing those or other hashtags). In some circumstances interference was observed in between an agreed conference hashtag and its use by a wider neighborhood for other purposes. For example,the hashtag chosen for a conference on materials chemistry,#MC,is utilised by persons serious about a specific make of Maserati sports auto. In such circumstances,irrelevant tweets had to be removed by hand before further analysis was undertaken.ResultsTwitter activity at conferencesOver the period July to October ,Twitter usage was captured from the initially identified conferences,and information was analysed in the conferences discussed in “Conferences included inside the study” section. The conferences were grouped into those classified as PACS or PACS (“AstroParticle”) and these in all other PACS classifications (“Other”): conferences were classified as AstroParticle and as Other. As talked about above,an initial analysis showed no correlation involving number of conference participants and amount of Twitter activity. Use of a conference hashtag was recorded at with the conferences in the sample. Interestingly,the conferences that recorded zero Twitter activity had been not proportionately distributed amongst the two groupings: only of the AstroParticle conferencesTable Information from tweeted conferences,grouped into those classified as PACSPACS (Astro Particle) and these in all other PACS classifications (other folks) AstroParticle No. of conferences No. of conferences with tweets No. of conference tweets (incl. retweets) No. of conference tweets (excl. retweets) No. of tweeps No. of originating tweeps Total quantity of conference days Total variety of conference delegates Tweeps as a of delegates Originating tweeps as a of delegates . . Others (all) . . Others (most active) . .For the purposes of comparison,the final column consists of data in the conferences in the Other people category that made essentially the most tweets. (The term “tweep” refers to a Twitter user who either posted a tweet containing the conference hashtagkeyword or who retweeted such a tweet. The term “originating tweep” refers to a Twitter user who posted at the least one particular original message containing the hashtag,i.e. somebody who posted one thing apart from a retweet)Scientometrics :registered zero Twitter activity whereas on the Other conferences made no use of Twitter. If these conferences kind a representative sample then the measurement above is constant with certainly one of the anecdotal observations that prompted this study: a delegate at an AstroParticle conference has only a PubMed ID:https://www.ncbi.nlm.nih.gov/pubmed/19725720 chance of attending an event exhibiting zero Twitter activity whereas a delegate at Other conferences includes a possibility of attending an occasion in which Twitter isn’t utilized. In other words,a delegate at a nonAstroParticle conference is about four times much more probably to be participating in an event having a zero level of Twitter activity than a delegate at an AstroParticle conference. In order to explore conference Twitter use in more de.