Twitter profile field as minimal - but laminated - identity performance

Here are some example bios:

• e-learning, read/write web, participation, user-centred, activism, agency, democracy, curry, beer, cycling, cricket, football, indie music, indie film
  
  
• lecturer, researcher, poet, new-ish father
  
  
• Researcher (e-Learning, m-Learning and technology enhanced learning), vather, techgeek and i am a mac-user ;-)
  
  
• Library geek, datamonger and allotmenteer
  
  
• librarian, mom, social media, information literacy, punk rock, 60s reggae, edupunk, educational technology, author, subcultures, chronic overtweeter
  
  
• Librarian and repository manager for a X university by day; blogger, video maker, writer, gamer. Lord of all weasels, llamas and gooses by night
  
  
• Community building and general change management for online distance learning. Running. Cider. Electric bicycles.
  
  
• Learning Technologist wondering why the one line bio is 160 characters??
  
  
• Married with 2 boys who have now flown the nest. Work in education, teach ICT and love gadgets
  
  
• dad, senior learning technologist at University of X, educational technology consultant, moodle guru and uncompromising bike commuter

What identities are performed here? Professional certainly (learning technologist, librarian, teach IT). Personal too - as mothers or fathers (mom, dad, newish father). As fans (indie music, indei film). As politically committed to particular causes (democracy, user-centred activism). Affiliated to a a myriad causes, interests, affinity spaces ...

More to follow.